Water Quality: Lawton, OK
11 water systems • 99,224 people served
Multiple Health ViolationsWater Quality Summary
Lawton is served by 11 public water systems with a combined service population of 99,224 people, and has 920 EPA Safe Drinking Water Act violations on record. Critically, 21 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Lawton's violation count is 249% above the national average for Oklahoma. Contaminants associated with violations include E. coli, Gross Alpha, Nitrate, Selenium, Stage 2 DBP.
Contaminants Found
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.
Common source: Natural uranium and radium in geological formations
EPA limit: 15 pCi/L (excluding radon and uranium)
Causes methemoglobinemia (blue baby syndrome) in infants, reducing the blood's ability to carry oxygen.
Common source: Fertilizer runoff, septic systems, animal feedlots, natural deposits
EPA limit: 10 mg/L (as nitrogen)
Hair loss, nail brittleness, and nervous system damage at elevated concentrations.
Common source: Natural geological deposits, mining discharges, oil refinery waste
EPA limit: 0.05 mg/L (50 ppb)
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Water Systems Serving Lawton
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| LAWTON | OK1011303 | Surface Water | 92,757 | 22 |
| COMANCHE CO RWD #1 | OK3001602 | Surface Water | 2,800 | 11 |
| COMANCHE CO RWD #3 | OK2001602 | Surface Water | 2,325 | 50 |
| PECAN VALLEY RWD | OK3001676 | Surface Water | 1,000 | 46 |
| MOUNTAIN VILLAGE DEVELOPMENT | OK2001643 | Surface Water | 77 | 132 |
| SOUTHEAST WATER ASSOCIATION | OK3001678 | Surface Water | 51 | 20 |
| SUNNYSIDE WATER ASSOC | OK3001664 | Surface Water | 50 | 112 |
| HWY 7 EAST WATER ASSN | OK3001669 | Surface Water | 50 | 377 |
| CLEMMER WATER ASSOCIATION | OK3001659 | Surface Water | 47 | 28 |
| VALLEY VIEW ESTATES HOMEOWNERS ASSOC | OK3001687 | Surface Water | 42 | 2 |
| VALLEY VIEW WATER ASSOCIATION | OK3001681 | Surface Water | 25 | 120 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Oklahoma
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.