SHELTON, WA · Mason County
SHELTON CITY OF Water System
Consumer Confidence Report status
SHELTON CITY OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for SHELTON CITY OF.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Washington’s official records. Always confirm current status with Washington before making decisions based on this information.
System facts
- System ID (PWSID)
- WA5378170
- System type
- Community Water System
- Population served
- 15,089
- Service connections
- 4,451
- Ownership
- local government
- Water source
- groundwater (wells)
SHELTON CITY OF is one of 111 community water systems in Washington in the 10,001 to 100,000 people size category, serving 15,089 people from groundwater.
As of August 1, 2026, its federal record holds 27 entries between 1979 and 2017, all of which EPA lists as closed. Nothing has been added since 2017.
Of the 27, 23 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, the Total Coliform Rules, and the Consumer Confidence Rule.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2017 – August 31, 2017
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2011 – October 18, 2011
ResolvedMonitoring, Regular
—Diquat
April 1, 2008 – June 30, 2008
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Styrene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
October 1, 2003 – October 31, 2003
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2003 – September 30, 2003
ArchivedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
November 1, 1991 – November 30, 1991
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2017 – August 31, 2017 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2011 – October 18, 2011 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2008 – June 30, 2008 | Monitoring, Regular | Diquat | — | Archived |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2003 – October 31, 2003 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Archived |
| September 1, 2003 – September 30, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| November 1, 1991 – November 30, 1991 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 31, 2017State Compliance achieved1 linked violation
- October 18, 2011State Compliance achieved1 linked violation
- September 11, 2007State Compliance achieved55 linked violations
- September 11, 2007State Compliance achieved33 linked violations
Common questions
Is SHELTON CITY OF required to publish a Consumer Confidence Report?
- Yes. SHELTON CITY OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is SHELTON CITY OF’s next Consumer Confidence Report due?
- SHELTON CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SHELTON CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SHELTON CITY OF.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
SHELTON CITY OF
Phone not on record
SHELTON, WA 98584