Nitrate in Drinking Water
What you need to know about nitrate in your tap water.
EPA Limit (MCL)
10000 ppb
EPA Goal (MCLG)
10000 ppb
Category
Inorganic
Health Effects
Blue baby syndrome in infants under six months
Common Sources
Fertilizer runoff, septic systems, sewage, natural deposits
How to Remove Nitrate from Water
Recommended filtration methods: Reverse osmosis, ion exchange
24,098
Total Violations
4,804
Systems Affected
Nitrate Violations by State
| State | Violations | Systems |
|---|---|---|
| Texas | 5,550 | 472 |
| California | 3,566 | 510 |
| Pennsylvania | 1,883 | 490 |
| Arizona | 1,267 | 139 |
| Florida | 1,128 | 383 |
| New York | 965 | 340 |
| Kansas | 909 | 68 |
| Alaska | 849 | 187 |
| Idaho | 849 | 154 |
| Utah | 718 | 165 |
| Oregon | 673 | 190 |
| Colorado | 559 | 156 |
| Iowa | 549 | 145 |
| Illinois | 475 | 103 |
| North Carolina | 460 | 126 |
| New Jersey | 368 | 112 |
| Mississippi | 351 | 59 |
| Oklahoma | 339 | 58 |
| Vermont | 336 | 131 |
| Maryland | 322 | 101 |
Water Systems with Most Nitrate Violations
FRANKLIN WATER SYSTEMS 3
201 served300 violations
F
SEVEN ESTATES
189 served269 violations
F
SOUTH MIDLAND COUNTY WATER SYSTEM
165 served163 violations
F
RRA GUTHRIE DUMONT WATER SYSTEM
291 served162 violations
F
CITY OF DODSON
93 served156 violations
C
CAL AM - RAYMOND
343 served140 violations
A
PAPAGO BUTTE DWID
530 served139 violations
F
RRA HINDS WILDCAT WATER SYSTEM
228 served135 violations
F
CITY OF WEINERT
162 served130 violations
C
WARREN ROAD SUBDIVISION WATER SUPPLY
195 served127 violations
F