Water hardness scale map

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• In New Mexico An overwhelming 85 percent of the USA has hard water, so the likelihood that you live in state or city with hard water is high. GPG (Grains Per Gallons) Grains per gallon is a unit used to express the hardness of water, specifically the concentration of calcium and magnesium ions. We’ve added two useful examples below. Water Hardness Level By City - Ontario. Each state has a water hardness chart that can assist in finding your cities specific water hardness measurement. 0 grains per gallon. 1 – 10. 8 Evansville 134 7. If you require, we can provide detailed information about hardness in your area. A single grain per gallon is equal to 17. 88 5 – 10. to 4 p. 32% of the cities (about 145 cities or 2730 Zip codes) have Very hard water levels while only 4% (19 cities or 167 Zip codes) have Soft water. 112. Arkansas has one of the lowest averages for hard water in the country at 38 PPM, according to the USGS water hardness measures, Some examples of soft water cities are Little Rock with 26 PPM and Fayetteville with a hardness level of 27 PPM Dec 10, 2022 · According to the US Geological Survey (USGS) water hardness scale: Soft water = 0 – 60 mg/L or 0 – 3. The average water hardness for the Idaho resident is around 128 PPM. Liquid Hardness Test KitsFill the plastic tube bottle with water to the 10ml line with sample. Geologic Survey. Jun 11, 2018 · Measures of water hardness. Although the hardness scale only lists water up to 10+ grains per gallon of hardness, there are homes that have water in excess of 100 grains of hardness. Water is considered hard if it measures more than 120 parts per million or 7. 5–7 gpg is considered moderate and ideal. To fully understand the makeup of your water requires further analysis of dissolved metal and salt concentrations, particularly in the context of coffee brewing and extraction. Hard water is characterized by high levels (at least 7 GPG) of minerals, such as calcium and magnesium. 9 Carmel 171 10 Center 275 16. Waterloo has very hard water according to USGS hard water measures with 297 PPM. For more information on water hardness in Liquid Hardness Test Kits. In most of the rest of the State, the aquifer yields water having a hardness greater than 180 ppm and as much as 1,900 ppm. Some people love softened water. Hard water was prevalent in the east-central and western United States, reflecting the distribution of Water Hardness by City. This rating has been developed over time to the following categories: Water is classified as either soft or hard: Soft water contains relatively few minerals and lathers easily. 8 Calumet 117 6. to 5 p. For water hardness info by zip code, please contact your local water authority. Zero degree of hardness means softness and 21 degree of hardness is the maximum level of hardness. Great improvements have been made, with over 90% of tap water now meeting water quality standards. In Texas, the water hardness average is over 200 PPM, which ranks it as the state with the 6 th hardest water in the US. 0 - 10. 5 17. 0–3 gpg is considered soft water. Hard Water Solutions. For example, Austin’s water has 184 Parts Per Million of hardness, San HARDNESS IN DRINKING-WATER 2 Estimated daily intakes of magnesium from water of about 2. The heavy mineral content can affect everything from the Water Hardness. We don’t soften water at any water treatment plants. Las Vegas, NV: Water is carried into Lake Mead from the mineral-dense Colorado River resulting in 16+ gpg of hard water for homes 4 days ago · Grains per gallon is a measure of your water’s hardness. Hardness data (reflecting mostly calcium, plus a little magnesium) for individual drinking-water suppliers is at the EPA Office of Ground Water and Drinking Water website. 120-172. 5 GPG; Other hardness scales designate levels above 15 GPG as extremely Hard Water Map. PPM Or Parts Per Million. Very hard: more than 180 mg/L as calcium carbonate. Boston, the most populous city, has a water hardness of 8 PPM. ZIP Code. May 1, 2024 · Moderately hard water ranges from 121-250 PPM or 7. These estimates, reported in grains, were developed with local water utilities and should be used to set softener efficiency. Some cities with very hard water, based on USGS water hardness measures are Kansas City (330 PPM) and the state capital Topeka (182 PPM). The hardest water in the state comes from Pascagoula, with a water hardness level of 210 PPM. That overall hardness is referred to as a durometer- a term we’ll be taking a closer look at later in this article. The table below lists the range of hardness, sodium, and pH for each source water type supplied by SJW. Hardness is a measure of the levels of metal ions, mainly calcium and magnesium in the form of carbonates, in water. 5 GPG; Moderately hard water = 61 to 120 mg/L or 3. • Very Hard: > 10. Inorganic Contaminants Results Reported in Milligrams per Liter (mg/L) Contaminant. 70. US Water Hardness Map. 52 1 – 4. 1800 278 278 / International +353 1 707 2828. 20 – 24 gpg. 8 – 4. 2 Clay 307. The average water hardness for California residents is 100-300 PPM. Water that hard to very hard has over 200 PPM. 1 milligrams of calcium carbonate. Region of Waterloo Water hardness Grains per gallon (gpg) 17 – 20 gpg. Hard water can cause mineral buildup in plumbing, fixtures, and water heaters, and poor performance of soaps and detergents. While Ca may cause scale deposition in pipes in hard-water areas above 200 mg/L 4, the formation and dissolution of scale Aug 27, 2021 · The harder your water is, the higher the ranking. In Germany, the regions in the south and east of the country are particularly affected by hard water. Our water testing kits will measure your water hardness and test your water for 14 other contaminants, including lead, arsenic, and total dissolved solids (TDS). Water Hardness Summary. According to the Water Quality Association, water hardness is listed in grains per gallon (gpg) or in parts of million (ppm) and interpreted as follows: Soft: 0 – 1 grains per gallon (gpg); 0 parts per million (ppm) Slightly Hard: 1. 180 and above is considered very hard according to USGS water hardness measures. Business Hours: 8 a. From 0 – 60 milligrams per liter Here are the ranges and where they exist around here: Moderately Hard Water (3. Although these minerals are generally not harmful to your health, they can The average water hardness for the state is 262 PPM. Kentucky has water that ranges from moderately hard to very hard with an average water hardness measure of 112 PPM. The average water hardness in San Diego over the past 15 years ranged from a low of 139 ppm in 2014 to a high of 288 ppm in 2015. This is considered hard by USGS measures. 5 – 1. Here is a quick hard water ppm chart that gives you a spectrum of water hardness in parts per million (ppm): Scale Of Water Hardness (From Soft To Very Hard Water) See our map of water hardness (as calcium carbonate) in surface water of the United States. , 1985). Around 65% of the UK’s mains water is classified as hard. While it is not generally dangerous to safety or health, water with excessive hardness can cause scale formation on fixtures and water Hardness (Grains per Gallon) Hardness (mg/L or ppm) South of Indian School Road 18 - 23 310 - 390 Indian School Road to Chaparral Road 19 - 21 320 - 350 North of Chaparral Road 15 - 17 260 - 300 As water makes its way to treatment plants or through aquifers, it picks up naturally occurring minerals that make the water “hard” 1. Idaho water is considered slightly hard. m. State. Geological Service classifies soft water as anything under 60 milligrams per liter of calcium carbonate. 8 18 Columbus 303. 60-120. Hard: 120 - 180 ppm. How is Hard water measured? Hard water is measured in parts per million (PPM) and how many particles of hardness are dissolved in the water per million particles gives a rating. That said, we call it the water hardness scale, so there are different tiers of hardness, as indicated by the colors in the map above. Water hardness or softness is measured using grains per gallon (gpg), where one grain is equal to 0. The ideal water hardness, where water tastes good but won’t ruin your fixtures and appliances, is generally 3. In areas of the City where Catskill/Delaware and Croton Water supplies are blended, the hardness can reach 7 grain/gallon (CaCO 3), which is considered “moderately hard. 48 5 - 8 0. If you test your water for hardness at home, you’ll probably receive a result in GPG. The average water hardness for the Iowa resident Is 100-300 PPM. How to Treat Hard Water in Wisconsin. For example: Use a water softener: This device will remove minerals from your water and make it softer. 5 GPG. Fargo has 289 PPM, which is described as very hard water and Minot has the hardest water in the state with 300 PPM. Hardness GPG. Iowa water is considered hard to very hard. Example: The state with the highest water hardness is New Mexico. 1-14. 3, 5. Hard Water (7-10. Des Moines, the most populous city in Iowa has a water hardness level of 157 PPM. Although there are homes with naturally soft water, many homes need to mechanically soften water to achieve a hardness level of less Call our Customer Care Team. One grain is equivalent to approximately 17. The U. Many areas in the South East of England, including London and Suffolk The water hardness map and chart provide an expected hardness for your address. However, the ideal water hardness for each person depends on what level of hardness or softness they can tolerate. Bismarck, the state capital, has a water hardness level of 123 PPM. * The City does not add fluoride to our water; any fluoride detected is naturally present in our groundwater sources. Alaska. City. For more information on the water hardness in specific cities, please see the table below. The water in Dallas is primarily sourced from a series of reservoirs that are high in mineral content, leading to water that is classified as Extremely Hard. Here are the water hardness values for the cities in Indiana. [/ionlead] Massachusetts Water Authority supplies water to the 40 municipalities in the Boston Metropolitan Area. Water softeners: These devices work by replacing the hardness-causing minerals in your water with sodium or potassium ions, effectively softening the water. 002 ounces of calcium carbonate dissolved in 1 gallon of water. 5 grains): This covers most of the Great Lakes cities. Hardness is a property of water that is not a health concern, but it can be a nuisance. Water hardness is not a single static number. 1 parts per million (ppm) Slightly hard: 17. There are several solutions for managing hard water issues in your Arizona home: Step 1. While hardness isn’t necessarily something that you’d find in your CCR water quality report or normal water quality data, it’s an important reference point. We list a simple description of your water hardness in our water quality report, ranging from “Soft” to “Very Hard”. 60. Just click on the province you're in, and find your city. Detailed Description. 35201. 2 Food Food is the principal dietary source of intake of both calcium and magnesium. Hard water is identified in the range of 121 to 180 mg/L. 1 – 3. Very hard: 180+ ppm. Meridian Water Quality Data. For reference, water is considered hard between 120-180 PPM. Showing 1 to 8 of 8 (1 Pages) The hardness of water has a small but beneficial effect on a healthy diet. 5 gpg; 10 – 60 ppm. While some cities have moderately soft water, like College station with 8 PPM and Waco at 41 PPM, most Texas cities struggle with hard water issues. 14 parts per million. Lobby Hours: 9 a. Add r. The Shore Hardness Scale is a system designed to indicate the hardness or softness of a material, generally those that fall into the categories of polymers or elastomers. 2. 05 AREAS SUPPLIED BY HUNTER WATER TREATMENT PLANTS Areas supplied by Hunter Water Corporation may be supplied by The water hardness average for Kansas is 299 PPM. Some of the hardest water in the state comes from South Bend with 370 PPM, and Lafayette with 331 PPM. 5 Fall Creek 305 17. For more information on water For example, you can: Step 1. Hard: 121-180 mg/L as calcium carbonate. 9 Fairfield 350. Before legislation, only 60% of public water systems could meet federal standards. If the water hardness data from your city is missing from this Measuring water hardness. PPM is the most commonly used water hardness unit. Generally hardness levels of 80 to 100 mg/L are considered acceptable and levels greater than 200mg/L are considered poor but can be tolerated; those in excess of 500 mg/L are generally considered un-acceptable. Although hardness is caused by cations, it is often discussed in terms of carbonate (temporary) and non Nelson Bay Water Treatment Plant 10 - 45 0. The surface water supply come from the Quabbin Reservoir, Wachusett Reservoir and the Ware River. 32 – 36 gpg. Knowing your water hardness is the first step to correcting it with a water softener. The average water hardness in Arkansas is 38 PPM which would be considered soft. Moderately hard: 60 - 120 ppm. Baltimore, the most populous Maryland city, has very hard water at 185 PPM. • Moderately Hard: 61 - 120 mg/L. 00. This map provides a general indication of the softness or hardness of regional water supply, based on calcium carbonate levels. If you are diagnosing water problems in your home, then one of the first things you might consider is you water hardness. • Moderately hard: 3. . 7 GPG. The majority of supplied water is derived from the Floridan Aquifer, which underlies the entire state of Florida. 1 – 0. To find out where your water ranks on the water hardness scale, you can buy test kits or ask if your local hardware store carries them. Find your city water hardness level by first selecting your state below. Understanding Water Hardness in Pennsylvania. For all hard water problems: Water Softener. 9 For. 5 gpg (121-180 ppm) This level of hardness will cause scaling on appliances. >7. Lime scale has been known to increase energy bills up to 25% because of reduced efficiency of hot water heaters. Many industrial and domestic water users are concerned about the hardness of their water. What about Charlotte water hardness? the most populous North Carolina city has 28 PPM, which is also considered soft water. Water Hardness by City. Feb 12, 2024 · A water’s “hardness” is derived largely from contact with soil and rock formations. City AVG Hardness PPM / mg/L AVG Hardness Grains per Gallon Boone County 270 15. Missouri's hard water can cause the following issues: Make it challenging to get your laundry clean. Install a reverse osmosis system: This filtration system eliminates contaminants to yield The Drinking Water Directive and the UK drinking water quality regulations do not specify standards for hardness, calcium or magnesium. Apr 3, 2024 · How The Shore Hardness Scale Works. Most water utilities try to provide water that is not in the To help you determine if your home state has hard water, we have created a state-by-state water hardness chart for all 50 US states that contains water hardness ranges for each state, expressed in terms of GPG (grains per gallon) as well as PPM (parts per million). Massachusetts has an average water hardness of 10 PPM which is soft by USGS measures. In these regions, the water can have a water hardness of over 20 dH. 5-7 grains): If you have a full tank of gas, leave Milwaukee, head west, and turn right at Madison, you’ll find +/- 5 grain water at or around the time you are running out of fuel. Water hardness is measured by the number of mineral deposits in your water (parts per million – ppm). 5 gpg; 145 May 13, 2024 · Hard water is known for its high mineral content, while soft water has a low concentration of minerals. The hardest water in the state hails from Minnetonka city, their water comes from the Jordan Aquifer and provides a water hardness level of 310 PPM. Install a reverse osmosis system: This is a filtration system that efficiently eliminates contaminants and reduces impurities in your water, resulting in better overall health for your family. Moderately Hard: 3. It is based on the mg/L of CaCO3 (calcium carbonate) scale. 5 – 0. The city with the hardest water is Dayton, at 362 PPM. 56 – 2. The average water hardness for the Tennesse resident is around 99 PPM. 5 gpg (over 180 ppm) Water Hardness Maps [ionlead 24]To help you choose the correct system for your local water hardness, we have created interactive water hardness maps. Dallas, one of the most populous cities in Texas, has the dubious distinction of having some of the hardest water in the nation. Arkansas. The Floridan Aquifer yields well water hardness less than 180 Lime scale build-up on faucets, water heaters and inside pipes eventually reduces water flow and, in extreme cases, puts water-using appliances out of service and clogs pipes. The data also shows that water hardness in San Diego tends to be on the higher end of the scale, with the lowest PPM values ranging from 116 ppm to 299 ppm, and the highest PPM values ranging from 237 ppm to 325 ppm. California Water Hardness by City. There is no known health risk associated with hard water and we don’t investigate or collect samples for hardness. Typically, this means we found the data on municipal water reports or we emailed or talked with municipal officials from the public utilities department. The following hard water map illustrates the varying zones of hardness across the USA. Below you will find the water hardness scale: • Soft: 0 - 60 mg/L. Dairy Jun 30, 2023 · Temporary hard water is hard water that consists primarily of calcium (Ca 2+) and bicarbonate (HCO 3-) ions. The Ontario Water Hardness data presented in this chart has all been verified by Aquatell directly from primary sources. 297. 6 – 7 gpg; 60 – 145 ppm. 8 Gresford Water Treatment Plant 50 - 105 2. Some slightly hard water cities are Annapolis (70 PPM ) and Frederick, with 99 PPM. When hard water is heated, such as in a home water heater, solid deposits of calcium carbonate can form. Although water hardness usually measures only the total concentrations of calcium and magnesium (the two most prevalent divalent metal ions), iron, aluminium, and manganese are also present at Measures of water hardness. Hard water is rich in minerals such as calcium and magnesium, which is the cause of “scale” in kettles. Namely, 1 PPM is equal to 1 mg/L CaCO3. The state's most populous city and the second-most populous city in the US, Los Angeles, has a water hardness average of 127 PPM and San Francisco has a hard water level of 47 PPM. If the water quality in your home is a cause for concern, there are several effective solutions at your disposal. 3. Use a water softener: This is a device that will remove the minerals from your water, making it softer. This scale starts from zero degree of hardness to 21 degree of hardness. The USA Water Hardness Facts. The average water hardness for the Florida resident is 100 – 300 Parts Per Million. While hard water can leave water spots on shower doors and may affect the efficiency of some equipment, it is safe to drink (in fact, calcium carbonate is the same Jul 19, 2016 · US Water Hardness Map. Heating causes the bicarbonate ion in temporary hard water to decompose into carbonate ion (CO 32- ), carbon dioxide (CO 2 ), and water (H 2 O). George with a water hardness of 342 PPM. Wichita, the most populous city in Kansas, has a water hardness level of 131 PPM (or 8 grains per gallon). The British Columbia Water Hardness data presented in this chart has all been verified by Aquatell directly from primary sources. €37. All of these are signs that you may need a water softener. Close to the State average water hardness of 340 PPM is the city of St. Water hardness is usually expressed as the number of parts per million (ppm) of calcium carbonate present in the water (see Table 19). Boise water is 108 PPM and is considered hard according to the USGS water hardness measures. This would be found in areas like the South West or Scotland. Jul 12, 2021 · While some water softener manufacturers consider water hard at 1 GPG or more, the United States Geological Survey puts the number at which water is considered hard at 3. 9 Fishers 305 17. The Floridan aquifer, which underlies all of Florida. Water hardness in Pennsylvania can vary across different regions of the state though is only relatively hard on average. For more information on water hardness in specific cities 237. Step 3. Select your country to see your water quality. Colorado. The highest hard water number comes from Pocatello at 350 PPM, the city with the softest water is Lewiston with 17 PPM. View our water supply map to determine what predominant source type serves you. 5 gpg is regarded as hard water and should be treated with a water softener. 36 – 38 gpg. Above all, go for quality. By investing in well-made taps and showers you’ll have a much easier job of keeping them pristine for years to come. 1 – 60 ppm. Mar 5, 2018 · Detailed Description. The only problem is that with this expression some individuals think that hardness is just the amount of Jun 29, 2021 · It is unlikely that these components will directly affect water hardness. The white, chalky film that you may find on the faucets or shower doors in your home is evidence of hard water. The highest hard water number comes from Madison with 350 PPM, the city with the softest water is Wausau with 90 PPM. 5 0. The average water hardness for the Wisconsin resident is around 158 PPM. As a result of phosphates no longer being included in dishwashing detergents, murky residue on glasses, plates, and utensils are plaguing consumers who live in areas with hard water. Choose your taps wisely. 45 Lemon Tree Passage Water Treatment Plant 50 - 80 2. 5–7 grains per gallon or 17. The World Health Organisation Guidelines 2017 identified that water with a hardness of value of 200 mg/l or higher (measured as CaCO 3 calcium carbonate) will produce scale and soft water with a value of 100 mg The total water hardness is the sum of the molar concentrations of Ca 2+ and Mg 2+, in mol/L or mmol/L units. Water hardness in Mesa ranges from 12 gpg (grains per gallon) to 22 gpg, depending on the water source that serves your area. California water is considered hard to very hard. The water for the city of Cleveland is 125 PPM, and the state capital Columbus, has 128 PPM which is considered hard according to USGS water hardness measures. S. Apr 10, 2023 · If you think the water from your tap is hard and contains a high level of calcium and magnesium, you should first investigate using the water hardness scale and taking a look at a water map. It's generally harder in areas with soluble rock like limestone, and softer in areas with insoluble rock such as Granite. This is the most commonly used measurement for hardness. Water Hardness Level Map. Think about the water quality in your area, and ask your installer for advice on which materials are best suited. Indianapolis, the largest municipality in Indiana, has a water hardness level of 274 PPM. The next largest city in Utah is West Valley City which has hard water at a level of 230 PPM. Hover over the coloured areas in the key above to view single areas on the map. The largest city and state capital, Salt Lake City, has the lowest water hardness with 158 PPM. The resultant carbonate ion (CO 32-) can then react with other ions in the solution to form Mailing Address: Alameda County Water District 43885 S Grimmer Boulevard Fremont, CA 94538. While your dishwasher isn’t the culprit, GE teamed up with Reckitt Benckiser and Lemi-Shine to deliver top tips to remove the film The following classifications are used to measure hardness in water: Soft: 0 - 17. Hardness Results. Louisville, the most populated Kentucky city has a water hardness measure of 102 PPM, which by USGS standards, is Hardness is generally measured in grains per gallon (gpg). 1 Center 344 20. Mississippi water is considered hard with an average state range of 174 PPM. 1–120 parts per million. 0-1. Excessive buildup or accumulation of materials inside plumbing fixtures and pipes can cause blockages, restricting the flow of water. 172+. • Hard: 121 - 180 mg/L. 3 mg and 52. This is due to the high proportion of limestone in the Feb 23, 2024 · Water hardness is measured in dH, which is the abbreviation of degree of hardness. 8 – 5. Understanding the level of hardness in your water can help you make informed decisions about water treatment options and appliance maintenance. Hardness is caused by compounds of calcium and magnesium, and by a variety of other metals. A soft water area would have under 60ppm while a very hard water area would register more than 180ppm. Some cities with high calcium deposits are Lexington (215 PPM) and Frankfort (190 PPM). Maryland has an average water hardness of 118 PPM. (Ion North Dakota’s average water hardness is 214 PPM, which is considered hard based on the USGS water hardness measures. Simply collect your tap water sample and send it back to us via a prepaid label. 5 20. 6 GPG, while hard water exceeds 251 PPM or 14. . The hardness of the water varies with the amounts of these salts. Water that is soft or moderately soft has between 0 and 100 PPM. 11. Hard: 7. The hardest water can be found in cities The safe drinking water act (SDWA), which was passed in 1974, is the primary legislation that sets legal and health standards for drinking water in the U. • Hard: 7. WHAT IS THE WATER HARDNESS IN MY AREA? The water hardness scale is a benchmark on how hard our water is. Green Bay, has a water hardness level of 130 PPM, a moderately hard number, according to the USGS water hardness page. The average water hardness for the Ohio resident is around 155 PPM. Looking for your city water hardness value in Canada - we've got it! We contacted the municipal water utilities directly to obtain their actual measured values. U. Moderately hard: 61-120 mg/L as calcium carbonate. 33. Feb 28, 2024 · Key Takeaways. For more information on water hardness in specific The hardness or softens of your water will vary depending on where you live. The hardest location in Indiana we found was Wabash and Sommerset with a water hardness of 560 PPM. General guidelines for classification of waters are: 0 to 60 mg/L (milligrams per liter) as calcium carbonate is classified as soft; 61 to 120 mg/L as moderately hard; 121 to 180 mg/L as hard; and more than 180 mg/L as very hard. My shower head and shower doors have a white film on them. ”. If your city is missing - let us know - and we'll add it in right away! Water hardness info is really useful in making The degree of hardness of drinking water may be classified in terms of its calcium carbonate concentration as follows: soft, 0 to <60 mg/L; medium hard, 60 to <120 mg/L; hard, 120 to < 180 mg/L; and very hard, 180 mg/L and above. 5 – 7 GPG; Hard water = 121 to 180 mg/L or 7 – 10. Search for the water hardness results in your area. (Note: 1 grain per gallon is 17. 5 - 7. Instead, there is a generally accepted division of water into categories of: Soft: 0-60 milligrams per liter (mg/L) as calcium carbonate. yields water with a hardness of less than 180 parts per million (ppm) in the northwestern part and throughout much of the center of the State. Hardness in water: Lime scale buildup inside a water pipe. For limescale deposits: Water Descaler. Hard water is a natural characteristic of much of Ireland's drinking water supply, and it is safe to drink. A water hardness of 0-7 dH is considered soft water, while a water hardness of over 14 dH is considered hard water. You can ask a water supplier in your area about the exact level of hardness of the water. This water hardness map is a guide only. How To Measure Water Hardness Hard water as we’ve just mentioned is caused when compounds of calcium and magnesium and other elements are present and According to USGS, water is considered hard at 121 mg/L and very hard at 180 mg/L. 0 gpg (61-120 ppm) At this level, you may see signs of hardness such as spotted dishware. 47. Alabama. Arizona. 1 mg in soft-water and hard-water areas, respectively, have been reported, based on adults drinking 2 litres of water per day (Neri et al. If you want to know exactly how hard the water in your home is, put in your postcode to our postcode hardness * Hardness of water is not a health threat and public acceptance of hardness varies considerably. Most water softeners are measured in GPG, which indicates their grain capacity. Hardness PPM. 180 and above is very hard and is the source of many headaches for businesses/homeowners like in Rochester with 323 PPM and Windom with Hard water makes up about 85 percent of the nation's drinking water, according to the U. Raleigh, the state capital, has a water hardness level of 40 PPM which is considered soft. At Pentair Water Solutions, we connect customers with a water test. GPG ⓘ. There are very small, natural fluctuations in local groundwater over time. The total hardness of the water is typically expressed or reported as the equivalent of concentration of calcium carbonate in water as mg CaCO3/L or reported as "grains per gallon" (gpg). Reverse osmosis systems: By installing a reverse osmosis system, you can remove a broad Water Hardness by State. 24 – 28 gpg. This scale can reduce the life of equipment, raise the costs of This level of hardness likely does not require softening. Step 2. 12 mg CaCO3/L). California. The state of North Carolina’s average water hardness is soft at 46 PPM based on the USGS water hardness measures. Nashville, the state capital, has a water hardness level of 79 PPM and Memphis has 55 PPM, which according to USGS water hardness measures is considered soft water. 220. Leave spots on glassware and dishes. 5 GPG; Very hard water = levels above 181 mg/L or more than 10. • Very Hard: 180 mg/L and up. Scotland, Ireland and Wales in the main have soft water as you can see in the water hardness map. 206. jf om ok vm ad wx rc ws mp wj