WATER DISTRICT 19
PWSID: WA5338900 · Vashon, WA · Serves 5,335 people
According to EPA Safe Drinking Water Information System (SDWIS), WATER DISTRICT 19 (PWSID WA5338900) in Vashon, WA is listed as a CWS water system covering about 5,335 people. The same extract lists 3 health-based violation records spanning 2006-2025. Those 3 health-based rows for WATER DISTRICT 19 cover contaminants such as Long Term 2 Enhanced Surface Water Treatment Rule, Total Haloacetic Acids (HAA5), Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
WATER DISTRICT 19 has 3 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. 3 distinct EPA contaminant codes appear in this system's record, including Long Term 2 Enhanced Surface Water Treatment Rule, Total Haloacetic Acids (HAA5), Surface Water Treatment Rule. Recorded violations span 2006–2025. 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)
- WA5338900
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Vashon, WA
- Population Served
- 5,335
- Health Violations
- Yes (3)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Long Term 2 Enhanced Surface Water Treatment Rule | 1 | 1 |
| Total Haloacetic Acids (HAA5) | 1 | 1 |
| Surface Water Treatment Rule | 1 | 1 |
Violation History (3)
| Contaminant | Health | Date |
|---|---|---|
| Long Term 2 Enhanced Surface Water Treatment Rule | Yes | Aug 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2020 |
| Surface Water Treatment Rule | Yes | Mar 1, 2006 |
Frequently Asked Questions
What does EPA SDWIS list for WATER DISTRICT 19?
How many people does WATER DISTRICT 19 serve?
What violations does WATER DISTRICT 19 have?
What contaminants have been found in WATER DISTRICT 19 water?
Compare beyond Washington
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WATER DISTRICT 19 on cumulative violation count (3) and EPA-reported population served (5,335). Violation-count peers include Mohegan Tribal Utility Authority, RED CLIFF NORTH, Tesuque Pueblo. Population peers include HIGHWOOD, JEFFERSONVILLE WATER SYSTEM, FORT BEND COUNTY MUD 57.
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
WATER DISTRICT 19 (WA5338900) is drawn from EPA SDWIS. Nearby county systems in this extract include SEATTLE PUBLIC UTILITIES; KENT WATER DEPARTMENT; RENTON CITY OF; Auburn City of. Health-based rows (3 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.