MAPLE HILL PARK
PWSID: WA5309356 · Coupeville, WA · Serves 35 people
According to EPA Safe Drinking Water Information System (SDWIS), MAPLE HILL PARK (PWSID WA5309356) in Coupeville, WA is listed as a CWS water system covering about 35 people. The same extract lists 4 health-based violation records spanning 2018-2025. Those 4 health-based rows for MAPLE HILL PARK cover contaminants such as Nitrate; they remain historical EPA registry entries, not a current compliance or drinkability score.
MAPLE HILL PARK has 4 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. 1 distinct EPA contaminant code appears in this system's record, including Nitrate. Recorded violations span 2018–2025. 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)
- WA5309356
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Coupeville, WA
- Population Served
- 35
- Health Violations
- Yes (4)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 4 | 4 |
Violation History (4)
Frequently Asked Questions
What does EPA SDWIS list for MAPLE HILL PARK?
How many people does MAPLE HILL PARK serve?
What violations does MAPLE HILL PARK have?
What contaminants have been found in MAPLE HILL PARK water?
Compare beyond Washington
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest MAPLE HILL PARK on cumulative violation count (4) and EPA-reported population served (35). Violation-count peers include Santo Domingo Pueblo, Isleta Eastside, PARSHALL-LUCKY MOUND.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
Explore More
About This Data
MAPLE HILL PARK (WA5309356) is drawn from EPA SDWIS. Nearby county systems in this extract include OAK HARBOR CITY OF; NAVAL AIR STATION/WHIDBEY ISLAND; COUPEVILLE TOWN OF; CAMANO WATER ASSOCIATION. Health-based rows (4 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.