Water Quality: Olympia, WA
22 water systems • 121,889 people served
Multiple Health ViolationsWater Quality Summary
Olympia has 59 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Chlorine Dioxide, E. coli, Fecal Coliform, Gross Alpha, TTHM, Total Haloacetic Acids (HAA5). In total, 335 violations are on record for 22 water systems serving 121,889 people.
Contaminants Found
Water Systems Serving Olympia
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| OLYMPIA CITY OF | WA5363450 | Groundwater | 113,584 | 2 |
| GRAND MOUND | WA5307158 | Groundwater | 3,764 | 5 |
| CARLYON BEACH HOMEOWNERS | WA5311159 | Groundwater | 1,273 | 11 |
| BOSTON HARBOR | WA5307850 | Groundwater | 1,153 | 92 |
| BLACK LAKE BIBLE CAMP & CONF CTR | WA5307222 | Groundwater | 477 | 28 |
| BETHEL WATER CO | WA5305948 | Groundwater | 270 | 2 |
| TAMOSHAN | WA5387140 | Groundwater | 260 | 31 |
| MOUNTAIN VALLEY WATER SYSTEM | WA5373560 | Groundwater | 126 | 1 |
| SPANAWAY VILLAGE WATER SYSTEM | WA5322916 | Groundwater | 125 | 2 |
| COUNTRY CLUB ESTATES 521 | WA5315502 | Groundwater | 113 | 59 |
| BLACK LAKE ACRES | WA5360846 | Groundwater | 104 | 0 |
| NORTH OFFUT LAKE WTR SERVICE | WA5360850 | Groundwater | 97 | 0 |
| WOODARD PLACE | WA5301898 | Groundwater | 94 | 2 |
| CEDAR CREST MOBILE HOME PARK | WA5311888 | Groundwater | 92 | 0 |
| PIONEER | WA5304387 | Groundwater | 84 | 0 |
| HAYNES ACRES DIVISION 1 | WA5300792 | Groundwater | 74 | 11 |
| Ski View Estates | WA5302182 | Groundwater | 47 | 83 |
| COOPER POINT ESTATES | WA5302306 | Groundwater | 36 | 2 |
| Sexton | WA5377670 | Groundwater | 35 | 2 |
| DELPHI DAUBEL | WA5318650 | Groundwater | 29 | 0 |
| CLOISTER | WA5327091 | Groundwater | 29 | 0 |
| SALT AIRE MOBILE TERRACE | WA5375616 | Groundwater | 23 | 2 |
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.
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.