Mt Vernon Water Quality

Washington

Health Violations

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.

52
Water Systems
15,795
Population Served
107
Health-Based Violation Records
4
Distinct Contaminant Codes

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?
Mt Vernon is listed with 52 EPA-regulated water systems covering approximately 15,795 people. 107 health-based violation records appear in the extract. A past registry row is not a current drinkability verdict; contact the local utility for current status.
How many water violations does Mt Vernon have in this EPA extract?
Mt Vernon water systems have 107 health-based violation records in PlainEnviro's EPA SDWIS extract. This extract is filtered to EPA health-based records and does not include monitoring or reporting violations.
What contaminants were found in Mt Vernon water?
Health-based records for Mt Vernon water systems carry the following EPA contaminant codes: Lead and Copper Rule, TTHM, Revised Total Coliform Rule, Arsenic. This source edition does not include authoritative contaminant names. Source: EPA SDWIS.
How many water systems serve Mt Vernon?
52 EPA-regulated community water systems serve Mt Vernon, Washington, collectively covering approximately 15,795 people. Data is from the EPA Safe Drinking Water Information System (SDWIS).
Where does Mt Vernon get its drinking water?
Mt Vernon's water supply comes from 52 EPA-regulated community water systems. Source type data is not available for all systems. For detailed supply information, contact your local water utility. Source: EPA SDWIS.

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.

Related

Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro