Rochester, WA · Thurston County
ROCHESTER Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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
- 788
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Pentachlorophenol
January 1, 2014 – December 31, 2022
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
—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, Regular
—Arsenic
October 1, 1979 – October 31, 1979
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
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 |
|---|---|---|---|---|
| January 1, 2014 – December 31, 2022 | Monitoring, Regular | Pentachlorophenol | — | 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 | 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, 1979 – October 31, 1979 | Monitoring, Regular | Arsenic | — | 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 |
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
Contact
ROCHESTER
Phone not on record
Rochester, WA 98579