Water Quality: Monroe, WA
9 water systems • 27,396 people served
Some ConcernsWater Quality Summary
Monroe is served by 9 public water systems with a combined service population of 27,396 people, and has 96 EPA Safe Drinking Water Act violations on record. Critically, 1 of those are health-based violation, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Monroe's violation count is 41% below the national average for Washington. Contaminants associated with violations include Total Haloacetic Acids (HAA5).
Contaminants Found
Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Water Systems Serving Monroe
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MONROE WATER SYSTEM | WA5355820 | Surface Water | 23,467 | 11 |
| HIGHLAND WATER DISTRICT | WA5332850 | Surface Water | 3,121 | 10 |
| BIG BEND LANDOWNERS ASSOCIATION | WA5306630 | Groundwater | 419 | 6 |
| FRIAR CREEK WATER SYSTEM | WA5316351 | Surface Water | 135 | 4 |
| Peoples Creek Water System | WA5301916 | Groundwater | 76 | 20 |
| THUNDERBIRD TERRACE WATER SYSTEM | WA5305067 | Surface Water | 75 | 12 |
| SEVENTH HEAVEN COUNTRY CLUB | WA5377675 | Groundwater | 48 | 4 |
| FERN BLUFF ESTATES | WA5301736 | Groundwater | 30 | 23 |
| WOODS CREEK WATER DISTRICT | WA5398230 | Surface Water | 25 | 6 |
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 Washington
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.