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The City of Delano has four water wells that range in depth from 123 feet to 185 feet and pump water from the Quaternary Buried Artesian aquifer. In 2001, a 1.5 million gallon storage tank was added to support the City’s water network with 20 miles of pipe that range from 4" in diameter to 16".
Water softeners are needed in Delano to the extremely high level of hardness. In 2006, a new water treatment plant went into operation to remove iron and manganese which are the staining components of the water, not the hardness.
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 Delano Water Report
2005 Delano Water Report
2003 Delano Water Report
| Contaminant | Levels Found |
Health Limit |
Potential Effect | Treatment |
|---|---|---|---|---|
| Alpha Emitters | 2.1 - 12.2 | 0pCi/L | Increased risk of cancer | Reverse Osmosis, Pureoflow |
| Arsenic | 1.12 - 7.59 | 0ppb | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | Reverse Osmosis, Pureoflow, Arsenic Filters |
| Bromodichloromethane | 0.63 - 2.3 | 0ppb | Increased risk of cancer, damage to liver, kidneys, and nervous system | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Chloroform | 2.55 - 6.6 | 5.7ppb | Nervous system depression, increase in kidney and liver tumors | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Combined Radium | 0.17 | 0pCi/L | Increased risk of cancer | Reverse Osmosis, Pureoflow |
| Dibromochloromethane | 0.13 - 0.8 | 0.4ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Dichloroacetic acid | 1.6 | 0ppb | Irritant and corrosive to the eyes, skin and respiratory tract | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Haloacetic Acids | 1.6 - 5.4 | 0ppb | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Radon | 57 - 285 | 1.5pCi/L | Increased risk of lung cancer | Reverse Osmosis, Pureoflow |
| Total Trihalomethanes | 0.1 - 9.7 | 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 | 0.23 - 0.25 | 2ppb | Increase in blood pressure | Reverse Osmosis, Pureoflow |
| Chlorine | 0.1 - 1.89 | 4.0ppm | Eye/nose irritation; stomach discomfort | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Fluoride | 0.78 - 1.1 | 4.0ppm | Bone disease (pain and tenderness of the bones); children may get mottled teeth | Reverse Osmosis, Pureoflow |
| Hardness | 30 - 32gpg | NA | Increased energy consumption, damage to plumbing, appliances, fixtures, clothing, and glassware | Pureoflow, DMT Systems, Water Softener |
| Iron | 0.1 - 0.3ppm | NA | Increased energy consumption, damage to plumbing, appliances, fixtures, clothing, and glassware | Pureoflow, DMT Systems |
| Mercury | 0.06 | 2ppb | Kidney damage | Reverse Osmosis, Pureoflow |
| Monochloroacetic acid | 0.8 - 1.6 | 70ppm | Increased risk of cancer | Reverse Osmosis, Pureoflow, DMT Systems, Carbon Filters |
| Sodium | 12 - 21ppm | NA | Hypertension | Pureoflow, DMT Systems |
| Sulfate | 14 - 30.8ppm | NA | Catharsis, Dehydration from diarrhoea | Pureoflow, DMT Systems |
This information was compiled from Delano's water treatment reports, the Environmental Protection Agency(EPA), Minnesota Department of Health(DOH), World Health Organization(WHO), and Environmental Working Group(EWG).
