WILLEYS LAKE TERRACE WATER ASSN
PWSID: WA5397110 · Ferndale, WA · Serves 180 people
According to EPA Safe Drinking Water Information System (SDWIS), WILLEYS LAKE TERRACE WATER ASSN (PWSID WA5397110) in Ferndale, WA is listed as a CWS water system covering about 180 people. The same extract lists 4 health-based violation records spanning 2024-2025. Those 4 health-based rows for WILLEYS LAKE TERRACE WATER ASSN cover contaminants such as Nitrate; they remain historical EPA registry entries, not a current compliance or drinkability score.
WILLEYS LAKE TERRACE WATER ASSN 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 2024–2025. 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)
- WA5397110
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Ferndale, WA
- Population Served
- 180
- 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 WILLEYS LAKE TERRACE WATER ASSN?
How many people does WILLEYS LAKE TERRACE WATER ASSN serve?
What violations does WILLEYS LAKE TERRACE WATER ASSN have?
What contaminants have been found in WILLEYS LAKE TERRACE WATER ASSN water?
Compare beyond Washington
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WILLEYS LAKE TERRACE WATER ASSN on cumulative violation count (4) and EPA-reported population served (180). 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
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About This Data
WILLEYS LAKE TERRACE WATER ASSN (WA5397110) is drawn from EPA SDWIS. Nearby county systems in this extract include BELLINGHAM-WATER DIVISION CITY OF; LYNDEN WATER DEPARTMENT; FERNDALE; LWWSD - SOUTH SHORE WATER SYSTEM. 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.