BOSTON HARBOR
PWSID: WA5307850 · Olympia, WA · Serves 1,153 people
According to EPA Safe Drinking Water Information System (SDWIS), BOSTON HARBOR (PWSID WA5307850) in Olympia, WA is listed as a CWS water system covering about 1,153 people. The same extract lists 11 health-based violation records spanning 2016-2025. Those 11 health-based rows for BOSTON HARBOR cover contaminants such as TTHM, Total Haloacetic Acids (HAA5); they remain historical EPA registry entries, not a current compliance or drinkability score.
BOSTON HARBOR has 11 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including TTHM, Total Haloacetic Acids (HAA5). Recorded violations span 2016–2025. Day-to-day primacy enforcement for this system runs through the Washington drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Washington state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- WA5307850
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Olympia, WA
- Population Served
- 1,153
- Health Violations
- Yes (11)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 8 | 8 |
| Total Haloacetic Acids (HAA5) | 3 | 3 |
Violation History (11)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Oct 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for BOSTON HARBOR?
How many people does BOSTON HARBOR serve?
What violations does BOSTON HARBOR have?
What contaminants have been found in BOSTON HARBOR water?
Compare beyond Washington
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest BOSTON HARBOR on cumulative violation count (11) and EPA-reported population served (1,153). Violation-count peers include MICCOSUKEE TRIBE OF INDIANS, Arizona Village, HAINES BOROUGH. Population peers include WATCO WATER, SCENIC SHORES SUBDIVISION, CONTINENTAL VILLAGE PWS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
BOSTON HARBOR (WA5307850) is drawn from EPA SDWIS. Nearby county systems in this extract include LACEY WATER DEPARTMENT; TUMWATER CITY OF; YELM CITY OF; TANGLEWILDE THOMPSON PLACE 600. Health-based rows (11 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.