Rochester, WA · Thurston County
ROCHESTER Water System
Consumer Confidence Report status
ROCHESTER 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 ROCHESTER.
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)
- WA5373300
- System type
- Community Water System
- Population served
- 1,762
- Service connections
- 792
- Ownership
- privately owned
- Water source
- groundwater (wells)
ROCHESTER is one of 428 community water systems in Washington in the 501 to 3,300 people size category, serving 1,762 people from groundwater.
As of August 1, 2026, its federal record holds 38 entries between 1979 and 2016, all of which EPA lists as closed. Nothing has been added since 2016.
Of the 38, 36 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, inorganic chemicals, and synthetic organic chemicals.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2016 – October 27, 2016
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Benzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Toluene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Styrene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Dalapon
January 1, 2014 – December 31, 2022
ResolvedMonitoring, Regular
—Picloram
January 1, 2014 – December 31, 2022
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2014 – December 31, 2022
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2014 – December 31, 2022
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2014 – December 31, 2022
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2003 – November 30, 2003
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1993 – January 31, 1993
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1991 – October 31, 1991
ArchivedMonitoring, Regular
—Barium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Cadmium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Chromium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Mercury
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Nitrate
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Selenium
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Fluoride
October 1, 1979 – October 31, 1979
ArchivedMonitoring, Regular
—Arsenic
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, 2016 – October 27, 2016 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2014 – December 31, 2022 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2014 – December 31, 2022 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2014 – December 31, 2022 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2014 – December 31, 2022 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2014 – December 31, 2022 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| November 1, 2003 – November 30, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| January 1, 1993 – January 31, 1993 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1991 – October 31, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Barium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Cadmium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Selenium | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Arsenic | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 29, 2023State Compliance achieved5 linked violations
- June 25, 2020State Compliance achieved20 linked violations
- October 27, 2016State Compliance achieved1 linked violation
- August 23, 1994Federal issued Formal Notice of Violation2 linked violations
- January 31, 1993State Violation/Reminder Notice1 linked violation
Common questions
Is ROCHESTER required to publish a Consumer Confidence Report?
- Yes. ROCHESTER 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 ROCHESTER’s next Consumer Confidence Report due?
- ROCHESTER’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ROCHESTER have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ROCHESTER.
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
ROCHESTER
Phone not on record
Rochester, WA 98579