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The City of Carver provides drinking water to its residents from a groundwater source: three wells ranging from 470 to 738 feet deep, that draw water from the Mt. Simon, Franconia-Eau Claire, and Franconia-Ironton-Galesville aquifers.
The City of Carver water hardness ranges from 22-24 grains of hardness.
The city can now treat up to 1 million gallons of water per day with it’s new water treatment plant that uses gravity filtration to remove iron and manganese.
The water distribution system consists of 20 miles of pipe, ranging from 6” in diameter to 12”, with 260 hydrants that are flushed yearly for maintenance.
The EPA has established two standards for additional contaminants in tap water:
MCL: Maximum Contaminant Level - The maximum allowable level of a certain contaminant
MCLG: Maximum Contaminant Level GOAL - The level where studies have found ZERO HEALTH RISKS, aka the "Health Limit"
Certain contaminants that absorb easily through your skin have been highlighted in orange. For those items, a Point of Entry (POE) system is recommended to treat all the water for your home/business.
2008 Carver Water Report
2006 Carver Water Report
2005 Carver Water Report
2004 Carver Water Report
| Contaminant | Levels Found |
Health Limit |
Potential Effect | Treatment |
|---|---|---|---|---|
| Alpha Emitters | 1 - 15.2 | 0pCi/L | Increased risk of cancer | Reverse Osmosis, Pureoflow |
| Arsenic | 0.17 - 0.5 | 0ppb | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | Reverse Osmosis, Pureoflow, Arsenic Filters |
| Bromodichloromethane | 2.63 - 7.8 | 0ppb | Increased risk of cancer, damage to liver, kidneys, and nervous system | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Bromoform | 0.13 - 0.7 | 0ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Chloroform | 2.86 - 8.4 | 5.7ppb | Nervous system depression, increase in kidney and liver tumors | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Combined Radium | 0.87 - 2.6 | 0pCi/L | Increased risk of cancer | Reverse Osmosis, Pureoflow |
| Dibromochloromethane | 1.64 - 4.3 | 0.4ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Dichloroacetic acid | 1.9 - 3.4 | 0ppb | Irritant and corrosive to the eyes, skin and respiratory tract | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Haloacetic Acids | 4.6 - 6.8 | 0ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Radon | 24.5 - 205 | 1.5pCi/L | Increased risk of lung cancer | Reverse Osmosis, Pureoflow |
| Total Coliform Bacteria | 1% | 0% | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present | Pureoflow, Ultrafiltration |
| Total Trihalomethanes | 0.5 - 21 | 0ppb | Liver, kidney or central nervous system problems; increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Contaminant | Levels Found |
Health Limit |
Potential Effect | Treatment |
|---|---|---|---|---|
| Barium | 0.07 | 2ppb | Increase in blood pressure | Reverse Osmosis, Pureoflow |
| Chlorine | 1.2 - 2.9 | 4.0ppm | Eye/nose irritation; stomach discomfort | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Ethylbenzene | 0.2 - 0.6 | 700ppb | Drowsiness, fatigue, headache, mild eye and respiratory irritation, damage to the liver, kidneys, central nervous system | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Fluoride | 1.5 - 1.6 | 4.0ppm | Bone disease (pain and tenderness of the bones); children may get mottled teeth | Reverse Osmosis, Pureoflow |
| Hardness | 22 - 24gpg | NA | Increased energy consumption, damage to plumbing, appliances, fixtures, clothing, and glassware | Pureoflow, DMT Systems, Water Softener |
| Monochloroacetic acid | 1.9 - 6.8 | 70ppm | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Nitrate | 0.62 - 0.66 | 10ppm | Infants below the age of six months could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and "blue baby" syndrome. | Reverse Osmosis, Pureoflow |
| Sodium | 18 - 27ppm | NA | Hypertension | Pureoflow, DMT Systems |
| Sulfate | 59 - 108ppm | NA | Catharsis, Dehydration from diarrhoea | Pureoflow, DMT Systems |
| Trichloroacetic acid | 1.37 - 2.7 | 20ppm | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Xylenes | 1.0 - 3.0 | 1,800ppb | Nervous system damage | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
This information was compiled from Carver's water treatment reports, the Environmental Protection Agency(EPA), Minnesota Department of Health(DOH), World Health Organization(WHO), and Environmental Working Group(EWG).
