Loon Lake Water Quality
Washington
According to EPA SDWIS, Loon Lake, Washington is served by 20 community water systems covering about 18,039 people. PlainEnviro's health-based extract shows zero health-based violation records for those systems. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Loon Lake, Washington is delivered through 20 EPA-regulated community water systems serving an estimated 18,039 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.
PlainEnviro's health-based SDWIS extract shows 0 violation records across the 20 active community systems shown here. Monitoring and reporting records are not present in the extract. No contaminant code appears in the health-based records.
A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the Washington drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.
Community Water Systems
| System Name | Pop. Served | Violations | Status |
|---|---|---|---|
| STEVENS CO PUD - SUNCREST | 7,484 | 0 | Clean |
| STEVENS CO PUD - DEER LAKE | 2,884 | 0 | Clean |
| STEVENS CO PUD - LOON LAKE | 2,487 | 0 | Clean |
| STEVENS CO PUD - WAITTS LAKE | 1,216 | 0 | Clean |
| STEVENS CO PUD - CLAYTON | 725 | 0 | Clean |
| STEVENS CO PUD - VALLEY | 550 | 0 | Clean |
| STEVENS CO PUD - SPOKANE LAKE PARK | 532 | 0 | Clean |
| STEVENS CO PUD - WEST SHORE | 505 | 0 | Clean |
| STEVENS CO PUD - RIVERSIDE | 365 | 0 | Clean |
| STEVENS CO PUD - ADDY | 253 | 0 | Clean |
| STEVENS CO PUD - HALFMOON RANCHOS | 216 | 0 | Clean |
| STEVENS CO PUD - JUMP OFF JOE | 204 | 0 | Clean |
| STEVENS CO PUD - MISSION RIDGE | 120 | 0 | Clean |
| LOON LAKE ACRES | 111 | 0 | Clean |
| TIGER TRACTS | 90 | 0 | Clean |
| STEVENS CO PUD - ECHO ESTATES | 75 | 0 | Clean |
| STEVENS CO PUD - RIVER PARK ESTATES | 66 | 0 | Clean |
| STEVENS CO PUD - DOLOMITE | 60 | 0 | Clean |
| STEVENS CO PUD - DENISON | 60 | 0 | Clean |
| SOLAR PINES WATER ASSN | 36 | 0 | Clean |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Loon Lake, Washington? ▼
How many water violations does Loon Lake have in this EPA extract? ▼
How many water systems serve Loon Lake? ▼
Where does Loon Lake get its drinking water? ▼
How does Loon Lake compare in Washington?
Of the 365 Washington places with at least one community water system on file, Loon Lake ranks #24 by number of systems (20).
Either side of it: Pasco (23), Othello (21), Puyallup (20), Wenatchee (20)
About This Data
Figures here are the current EPA SDWIS extract joined to the 20 community water systems whose service area lists Loon Lake, ranked against the 365 Washington places with at least one system on file. Data current as of 2026-08-25.
Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.
A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.
TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.
Read our methodology - how this data is sourced, computed, and verified.