Selenium in Drinking Water
What you need to know about selenium in your tap water.
EPA Limit (MCL)
50 ppb
EPA Goal (MCLG)
50 ppb
Category
Inorganic
Health Effects
Hair or fingernail loss, numbness, circulatory problems
Common Sources
Discharge from petroleum and metal refineries, natural deposits
How to Remove Selenium from Water
Recommended filtration methods: Reverse osmosis, activated alumina
4,204
Total Violations
1,548
Systems Affected
Selenium Violations by State
| State | Violations | Systems |
|---|---|---|
| Pennsylvania | 888 | 278 |
| Texas | 714 | 219 |
| Georgia | 352 | 112 |
| New York | 323 | 143 |
| Colorado | 213 | 86 |
| Arizona | 144 | 38 |
| Mississippi | 143 | 26 |
| Utah | 118 | 39 |
| Alabama | 94 | 33 |
| North Carolina | 91 | 32 |
| Missouri | 79 | 45 |
| Indiana | 78 | 42 |
| Montana | 76 | 45 |
| Oklahoma | 76 | 31 |
| New Jersey | 74 | 30 |
| Alaska | 65 | 44 |
| Illinois | 63 | 15 |
| Connecticut | 60 | 30 |
| Maryland | 60 | 14 |
| Oregon | 57 | 28 |
Water Systems with Most Selenium Violations
PA AMERICAN AUDUBON
8,200 served50 violations
C
BULLHEAD CITY MOHAVE
36,330 served27 violations
D
SEVEN ESTATES
189 served26 violations
F
SHREWSBURY BOROUGH
4,727 served24 violations
C
TOWN OF PRINCESS ANNE
3,300 served21 violations
A
WHISPERING PINES MHP
305 served21 violations
C
EPCOR - AGUA FRIA
127,718 served18 violations
D
NORTH PANOLA WATER DISTRICT
1,500 served18 violations
C
STEWARTSTOWN BORO WATER AUTH
5,206 served16 violations
C
MITCHELL
285 served15 violations
C