WALLA WALLA WATER DIVISION
PWSID: WA5392500 · Walla Walla, WA · Serves 42,959 people
According to EPA Safe Drinking Water Information System (SDWIS), WALLA WALLA WATER DIVISION (PWSID WA5392500) in Walla Walla, WA is listed as a CWS water system covering about 42,959 people. The same extract lists 105 health-based violation records spanning 2015-2018. Those 105 health-based rows for WALLA WALLA WATER DIVISION cover contaminants such as Surface Water Treatment Rule, Long Term 2 Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
WALLA WALLA WATER DIVISION has 105 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 Surface Water Treatment Rule, Long Term 2 Enhanced Surface Water Treatment Rule. Recorded violations span 2015–2018. 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)
- WA5392500
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Walla Walla, WA
- Population Served
- 42,959
- Health Violations
- Yes (105)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Surface Water Treatment Rule | 81 | 81 |
| Long Term 2 Enhanced Surface Water Treatment Rule | 24 | 24 |
Violation History (105)
Frequently Asked Questions
What does EPA SDWIS list for WALLA WALLA WATER DIVISION?
How many people does WALLA WALLA WATER DIVISION serve?
What violations does WALLA WALLA WATER DIVISION have?
What contaminants have been found in WALLA WALLA WATER DIVISION water?
Compare beyond Washington
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WALLA WALLA WATER DIVISION on cumulative violation count (105) and EPA-reported population served (42,959). Violation-count peers include TANNEHILL WATER SYSTEM, Dilkon-Indian Wells-Greasewood-White Cone NTUA, HOLLIS. Population peers include FUQUAY-VARINA, TOWN OF, POUGHKEEPSIE TOWNWIDE WD, MANHASSET LAKEVILLE WD.
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
WALLA WALLA WATER DIVISION (WA5392500) is drawn from EPA SDWIS. Nearby county systems in this extract include COLLEGE PLACE WATER DEPT; Waitsburg City of; CONSOLIDATED IRRIGATION DIST 14; WALLA WALLA UNIVERSITY. Health-based rows (105 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.