Mt Vernon Water Quality
Washington
According to EPA SDWIS, Mt Vernon, Washington is served by 52 community water systems covering about 15,795 people. The same extract lists 107 health-based violation records, most recently coded 5000 in 2025. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Mt Vernon, Washington is delivered through 52 EPA-regulated community water systems serving an estimated 15,795 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 107 violation records across the 52 active community systems shown here. Monitoring and reporting records are not present in the extract. The records carry 4 distinct EPA contaminant codes: Lead and Copper Rule, TTHM, Revised Total Coliform Rule, Arsenic.
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 |
|---|---|---|---|
| CARNATION WATER SYSTEM CITY OF | 2,400 | 0 | Clean |
| SKAGIT CO WATER DISTRICT #1 | 1,974 | 0 | Clean |
| CONCRETE UTILITIES | 1,234 | 2 | Health |
| WARM BEACH CONFERENCE GROUNDS | 1,190 | 0 | Clean |
| CAMANO CO-OP WATER & POWER CO | 1,071 | 0 | Clean |
| CAPE HORN MAINTENANCE COMPANY | 940 | 0 | Clean |
| HILLCREST VILLAGE WATER CO INC | 770 | 0 | Clean |
| LYMAN WATER DEPARTMENT | 705 | 0 | Clean |
| TATOOSH WATER COMPANY | 387 | 0 | Clean |
| KACKMAN CREEK | 330 | 0 | Clean |
| LEIF ERIKSON REC ASSOC | 320 | 0 | Clean |
| MCKEES BEACH ASSOC | 290 | 2 | Health |
| NEWHALEM WATER SYSTEM | 277 | 0 | Clean |
| GREEN ISLAND HILLS WATER ASSN | 265 | 0 | Clean |
| CAMANO CITY COMMUNITY CLUB INC | 246 | 2 | Health |
| UTSALADY HEIGHTS OWNERS ASSN | 240 | 0 | Clean |
| Holiday Hideaway Water Co | 235 | 0 | Clean |
| DRIFTWOOD SHORES WATER SYSTEM INC | 222 | 2 | Health |
| BUENA VISTA COMMUNITY CLUB | 200 | 0 | Clean |
| HARRIS CUSTER ESTATES WATER ASSN | 194 | 1 | Health |
| FINISTERRE HEIGHTS WATER SYSTEM | 193 | 0 | Clean |
| ARROWHEAD BEACH COOP WATER ASSOC | 167 | 37 | Health |
| SILVANA WATER ASSOCIATION | 153 | 0 | Clean |
| SNEE-OOSH LAND CO | 123 | 0 | Clean |
| CAMANO SUNRISE WATER ASSN #2 | 122 | 0 | Clean |
| O-ZI-YA Community Club | 120 | 0 | Clean |
| VALLEY VIEW ESTATES WATER ASSN | 113 | 0 | Clean |
| WHITESIDE HOMEOWNERS ASSOCIATION | 90 | 0 | Clean |
| WIDARAMA BEACH WATER RIGHTS ASSN. | 85 | 0 | Clean |
| CAMANO SUNRISE WATER ASSN #1 | 76 | 0 | Clean |
| NORTH FIR ISLAND WATER ASSOCIATION | 76 | 0 | Clean |
| POINT ALLEN WATER ASSOCIATION | 65 | 0 | Clean |
| SUNSET WEST WATER ASSOCIATION | 62 | 0 | Clean |
| FIELDS WATER ASSOCIATION | 60 | 0 | Clean |
| BAYSHORE WATER SYSTEM | 56 | 0 | Clean |
| BEVERLY BEACH IMPROVEMENT CLUB | 56 | 30 | Health |
| UTSALADY POINT | 54 | 0 | Clean |
| CAMANO COLONY WATER SYSTEM INC | 53 | 0 | Clean |
| DIABLO WTR SYS-SEATTLE CITY LIGHT | 53 | 1 | Health |
| Whispering Firs at Firetrail | 51 | 0 | Clean |
| El Camano Community Club | 49 | 0 | Clean |
| DOUBLE VIEW COMMUNITY CLUB | 47 | 0 | Clean |
| North Beverly Beach Association | 46 | 0 | Clean |
| TOWNSHIP 29 WATER ASSOCIATION | 42 | 24 | Health |
| CAMANO ISLAND SUMMIT ASSOC. | 42 | 2 | Health |
| VIEWCREST WATER SYSTEM | 39 | 0 | Clean |
| EAST CRYSTAL LAKE ESTATES COMMUNITY | 38 | 0 | Clean |
| SEAWEST WATER SYSTEM | 38 | 4 | Health |
| ROLF BRUUN | 36 | 0 | Clean |
| SARATOGA SHORES COMMUNITY CLUB | 35 | 0 | Clean |
| BAKERVIEW TERRACE COMM CLUB | 34 | 0 | Clean |
| CREEKSIDE CAMPING | 31 | 0 | Clean |
Does this city have health-based water violations?
These health-based records can represent Maximum Contaminant Level (MCL), Treatment Technique (TT), or Maximum Residual Disinfectant Level (MRDL) categories. A historical record does not establish that water is currently unsafe.
| Water system | Contaminant | Begin Date |
|---|---|---|
| DIABLO WTR SYS-SEATTLE CITY LIGHT | Lead and Copper Rule | 2025-10-23 |
| SEAWEST WATER SYSTEM | TTHM | 2025-10-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2025-10-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2025-10-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2025-10-01 |
| SEAWEST WATER SYSTEM | TTHM | 2025-07-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2025-07-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2025-07-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2025-07-01 |
| SEAWEST WATER SYSTEM | TTHM | 2025-04-01 |
| SEAWEST WATER SYSTEM | TTHM | 2025-04-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2025-04-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2025-04-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2025-04-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2025-01-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2025-01-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2025-01-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2024-10-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2024-10-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2024-10-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2024-10-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2024-10-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2024-10-01 |
| DRIFTWOOD SHORES WATER SYSTEM INC | Revised Total Coliform Rule | 2024-07-01 |
| DRIFTWOOD SHORES WATER SYSTEM INC | Revised Total Coliform Rule | 2024-07-01 |
| CAMANO ISLAND SUMMIT ASSOC. | Revised Total Coliform Rule | 2024-07-01 |
| CAMANO ISLAND SUMMIT ASSOC. | Revised Total Coliform Rule | 2024-07-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2024-07-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2024-07-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2024-07-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2024-07-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2024-07-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2024-07-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2024-04-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2024-04-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2024-04-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2024-04-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2024-04-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2024-04-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2024-01-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2024-01-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2024-01-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2024-01-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2023-10-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2023-10-01 |
| BEVERLY BEACH IMPROVEMENT CLUB | TTHM | 2023-10-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2023-10-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2023-10-01 |
| ARROWHEAD BEACH COOP WATER ASSOC | TTHM | 2023-10-01 |
| TOWNSHIP 29 WATER ASSOCIATION | TTHM | 2023-10-01 |
What are Mt Vernon's health-based records for?
Mt Vernon's health-based violation records carry 4 distinct EPA codes: some name a substance, others the drinking-water rule that was breached. Counts are records on file in the EPA SDWIS extract, not current test results.
| Contaminant | Records | Systems |
|---|---|---|
| Tthm | 95 | 4 |
| Revised Total Coliform Rule | 7 | 4 |
| Arsenic | 4 | 2 |
| Lead and Copper Rule | 1 | 1 |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Mt Vernon, Washington? ▼
How many water violations does Mt Vernon have in this EPA extract? ▼
What contaminants were found in Mt Vernon water? ▼
How many water systems serve Mt Vernon? ▼
Where does Mt Vernon get its drinking water? ▼
How does Mt Vernon compare in Washington?
Of the 365 Washington places with at least one community water system on file, Mt Vernon ranks #7 by number of systems (52).
Either side of it: Lacey (78), Shelton (56), Freeland (48), Arlington (43)
About This Data
Figures here are the current EPA SDWIS extract joined to the 52 community water systems whose service area lists Mt Vernon, 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.