Note: Just because the latest incident is in 2017 or 2018 doesn't mean your water is free of contaminants! There is a considerable lag between when data is collected and when it is published by the EPA.
| Water System | Type | Measure | Violation | Effects | Begin Date |
|---|---|---|---|---|---|
| NORTH EDWARDS WD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| GREENFIELD COUNTY WD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| QVWD-WEST & EAST COMBINED WATER SYSTEM | Antimony, Total | MCL, Average | Maximum Contaminant Level Violation | Increase in blood cholesterol; decrease in blood sugar | 2018-07-01 |
| HUNGRY GULCH MWC | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| ARVIN COMMUNITY SERVICES DIST | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| RAINBIRD VALLEY MUTUAL WATER COMPANY | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| OASIS PROPERTY OWNERS ASSOCIATION | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| R.S. MUTUAL WATER COMPANY | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| FIRST MUTUAL WATER SYSTEM | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| BORON CSD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| LAMONT PUBLIC UTILITY DIST | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| LAKE OF THE WOODS MWC | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| ORANGE GROVE RV PARK | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| WILLIAM FISHER MEMORIAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| ORANGE GROVE RV PARK | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| SPRING MOUNTAIN MUTUAL WATER COMPANY | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| MAHER MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| SUN PACIFIC SHIPPERS-MARICOPA WATER SYS. | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| HECK CELLARS WATER SYSTEM | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| SUN PACIFIC SHIPPERS-MARICOPA WATER SYS. | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| LAKE OF THE WOODS MWC | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| LANDS OF PROMISE MWC | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| SUNSET APARTMENTS WS | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| NORD ROAD WATER ASSOCIATION | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| HECK CELLARS WATER SYSTEM | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| LAKE ISABELLA KOA CAMPGROUND | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| R.S. MUTUAL WATER COMPANY | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrate in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| LAKE ISABELLA KOA CAMPGROUND | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| SPRING MOUNTAIN MUTUAL WATER COMPANY | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| RAINBIRD VALLEY MUTUAL WATER COMPANY | Nitrate | MCL, Single Sample | Maximum Contaminant Level Violation | Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill and, if untreated, may die. Symptoms include shortness of breath and blue-baby syndrome. | 2018-07-01 |
| LAKEVIEW RANCHOS MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| FOUNTAIN TRAILER PARK WATER | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| QVWD-WEST & EAST COMBINED WATER SYSTEM | Fluoride | MCL, Average | Maximum Contaminant Level Violation | Bone disease (pain and tenderness of the bones); Children may get mottled teeth | 2018-07-01 |
| LAKESIDE SCHOOL | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| 60TH STREET ASSOC. WATER SYSTEM | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| BORON CSD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| EL ADOBE POA, INC. | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| RAND COMMUNITIES WATER DISTRICT | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-07-01 |
| LANDS OF PROMISE MWC | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| OASIS PROPERTY OWNERS ASSOCIATION | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| LAKESIDE SCHOOL | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| R.S. MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| QVWD-WEST & EAST COMBINED WATER SYSTEM | Antimony, Total | MCL, Average | Maximum Contaminant Level Violation | Increase in blood cholesterol; decrease in blood sugar | 2018-04-01 |
| ARVIN COMMUNITY SERVICES DIST | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| GREENFIELD COUNTY WD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| FIRST MUTUAL WATER SYSTEM | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| RIO BRAVO GREELEY SCHOOL WATER SYSTEM | Mercury | MCL, Single Sample | Maximum Contaminant Level Violation | Kidney damage | 2018-04-01 |
| LAKEVIEW RANCHOS MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| NORD ROAD WATER ASSOCIATION | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| QVWD-WEST & EAST COMBINED WATER SYSTEM | Fluoride | MCL, Average | Maximum Contaminant Level Violation | Bone disease (pain and tenderness of the bones); Children may get mottled teeth | 2018-04-01 |
| EL ADOBE POA, INC. | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| BORON CSD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| 60TH STREET ASSOC. WATER SYSTEM | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| SUNSET APARTMENTS WS | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| HUNGRY GULCH MWC | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| ENOS LANE PUBLIC UTILITY DISTRICT | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| RAND COMMUNITIES WATER DISTRICT | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| FOUNTAIN TRAILER PARK WATER | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| NORTH EDWARDS WD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| BORON CSD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| WILLIAM FISHER MEMORIAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| MAHER MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-04-01 |
| MAHER MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| ENOS LANE PUBLIC UTILITY DISTRICT | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| QVWD-WEST & EAST COMBINED WATER SYSTEM | Antimony, Total | MCL, Average | Maximum Contaminant Level Violation | Increase in blood cholesterol; decrease in blood sugar | 2018-01-01 |
| FOUNTAIN TRAILER PARK WATER | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| QVWD-WEST & EAST COMBINED WATER SYSTEM | Fluoride | MCL, Average | Maximum Contaminant Level Violation | Bone disease (pain and tenderness of the bones); Children may get mottled teeth | 2018-01-01 |
| LAKESIDE SCHOOL | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| SUNSET APARTMENTS WS | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| EL ADOBE POA, INC. | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| HUNGRY GULCH MWC | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| QUAIL VALLEY WATER DIST-EASTSIDE SYSTEM | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| HUNGRY GULCH MWC | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| BROCK MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| CWS - KERNVILLE | Total Haloacetic Acids (HAA5) | MCL, Average | Maximum Contaminant Level Violation | Increased risk of cancer | 2018-01-01 |
| LAKEVIEW RANCHOS MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| RAND COMMUNITIES WATER DISTRICT | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| NORTH EDWARDS WD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| R.S. MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| OASIS PROPERTY OWNERS ASSOCIATION | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| QUAIL VALLEY WATER DIST-EASTSIDE SYSTEM | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| GREENFIELD COUNTY WD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| ARVIN COMMUNITY SERVICES DIST | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| FIRST MUTUAL WATER SYSTEM | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| NORD ROAD WATER ASSOCIATION | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| LANDS OF PROMISE MWC | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| WILLIAM FISHER MEMORIAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2018-01-01 |
| OASIS PROPERTY OWNERS ASSOCIATION | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| RAND COMMUNITIES WATER DISTRICT | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| BORON CSD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| ARVIN COMMUNITY SERVICES DIST | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| WILLIAM FISHER MEMORIAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| SUNSET APARTMENTS WS | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| FIRST MUTUAL WATER SYSTEM | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| QUAIL VALLEY WATER DIST-EASTSIDE SYSTEM | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| CWS - KERNVILLE | Total Haloacetic Acids (HAA5) | MCL, Average | Maximum Contaminant Level Violation | Increased risk of cancer | 2017-10-01 |
| LAKEVIEW RANCHOS MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| NORTH EDWARDS WD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| MAHER MUTUAL WATER COMPANY | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |
| GREENFIELD COUNTY WD | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2017-10-01 |