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The City of Saint Louis Park pro¬vides drinking water to its resi¬dents from a groundwater source: 15 wells ranging from 286 to 1095 feet deep, that draw water from the Prairie Du Chien-Jordan, Mt. Simon, Jordan-St. Lawrence, and St. Peter aquifers.
The Utilities Division operates six water treatment plants and seven water storage facilities; and maintains more than 423 miles of water/sewer lines and 29 lift stations.
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.
2009 St. Louis Park Water Report
2008 St. Louis Park Water Report
2006 St. Louis Park Water Report
2005 St. Louis Park Water Report
| Contaminant | Levels Found |
Health Limit |
Potential Effect | Treatment |
|---|---|---|---|---|
| Alpha Emitters | 8.4 - 42.8 | 0pCi/L | Increased risk of cancer | Reverse Osmosis, Pureoflow |
| Arsenic | 2.4 | 0ppb | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | Reverse Osmosis, Pureoflow, Arsenic Filters |
| Benzene | .04 - 0.333 | 0ppb | Anemia; decrease in blood platelets; increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Bromodichloromethane | 0.18 - 1.13 | 0ppb | Increased risk of cancer, damage to liver, kidneys, and nervous system | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Bromoform | 0.17 - 2.38 | 0ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Combined Radium | 4.2 - 9.38 | 0pCi/L | Increased risk of cancer | Reverse Osmosis, Pureoflow |
| Dibromochloromethane | 0.17 - 1.88 | 0.4ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Dichloroacetic acid | 0.16 - 1.8 | 0ppb | Irritant and corrosive to the eyes, skin and respiratory tract | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Haloacetic Acids | 3.1 | 0ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Radon | 75 - 222 | 1.5pCi/L | Increased risk of lung cancer | Reverse Osmosis, Pureoflow |
| Tetrachloroethylene | 0.37 - 6.7 | 0ppb | Liver problems; increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Total Trihalomethanes | 0.8 - 5.9 | 0ppb | Liver, kidney or central nervous system problems; increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Trichloroethylene | 0.37 - 3.17 | 0ppb | Liver problems; increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Vinyl Chloride | 2.30 - 3.0 | 0ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Contaminant | Levels Found |
Health Limit |
Potential Effect | Treatment |
|---|---|---|---|---|
| 1,1-Dichloroethane | 0.02 - 0.37 | 3ppb | Increased risk of cancer | Pureoflow, DMT Systems |
| Barium | 0.18 - 0.19 | 2ppb | Increase in blood pressure | Reverse Osmosis, Pureoflow |
| Chlorine | 0.5 - 1.2 | 4.0ppm | Eye/nose irritation; stomach discomfort | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Chloroform | 0.45 - 2.7 | 5.7ppb | Nervous system depression, increase in kidney and liver tumors | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| cis-1,2-Dichloroethylene | 0 - 8.6 | 70ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Combined Uranium | 0.01 - 0.11 | 15pCi/L | Increased risk of cancer, kidney toxicity | Reverse Osmosis, Pureoflow |
| Fluoride | 1.0 - 1.3 | 4.0ppm | Bone disease (pain and tenderness of the bones); children may get mottled teeth | Reverse Osmosis, Pureoflow |
| Hardness | 18 - 21gpg | NA | Increased energy consumption, damage to plumbing, appliances, fixtures, clothing, and glassware | Pureoflow, DMT Systems, Water Softener |
| Iron | 0.1 - 0.4ppm | NA | Increased energy consumption, damage to plumbing, appliances, fixtures, clothing | Pureoflow, DMT Systems |
| Lithium | 50ppb | NA | Drug used for clinical depression treatment, may cause neuromuscular changes, nervous system changes, cardiovascular changes, gastrointestinal changes, and renal damage. | Reverse Osmosis, Pureoflow |
| Monochloroacetic acid | 0.19 - 3.1 | 70ppm | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Nitrate | 0.27 - 0.28 | 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 | 28 - 29ppm | NA | Hypertension | Pureoflow, DMT Systems |
| Sulfate | 31.2 - 36ppm | NA | Catharsis, Dehydration from diarrhoea | Pureoflow, DMT Systems |
| Toluene | 0.01 - 0.3ppb | 150ppb | Nervous system, kidney, or liver problems | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| trans-1,2-Dichloroethylene | 0.15 - 1.0 | 100ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Trichloroacetic acid | 0.24 - 1.3 | 20ppm | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
This information was compiled from St. Louis Park's water treatment reports, the Environmental Protection Agency(EPA), Minnesota Department of Health(DOH), World Health Organization(WHO), and Environmental Working Group(EWG).
