Richland, WA · Benton County
RICHLAND CITY OF 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)
- WA5372250
- System type
- Community Water System
- Population served
- 106,499
- Service connections
- 32,906
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Regular
—Pentachlorophenol
April 1, 2019 – June 30, 2019
ArchivedMonitoring, Regular
—Dalapon
April 1, 2019 – June 30, 2019
ArchivedMonitoring, Regular
—Picloram
April 1, 2019 – June 30, 2019
ArchivedMonitoring, Regular
—Dinoseb
April 1, 2019 – June 30, 2019
ArchivedMonitoring, Regular
—2,4,5-TP
April 1, 2019 – June 30, 2019
ArchivedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Benzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Toluene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Styrene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2018 – December 31, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2015 – June 30, 2015
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2015 – March 31, 2015
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Diquat
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
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
—Fluoride
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
Archived
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2019 – June 30, 2019 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| April 1, 2019 – June 30, 2019 | Monitoring, Regular | Dalapon | — | Archived |
| April 1, 2019 – June 30, 2019 | Monitoring, Regular | Picloram | — | Archived |
| April 1, 2019 – June 30, 2019 | Monitoring, Regular | Dinoseb | — | Archived |
| April 1, 2019 – June 30, 2019 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2015 – June 30, 2015 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2015 – June 30, 2015 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | 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 | Fluoride | — | 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 |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- March 8, 2019State Compliance achieved20 linked violations
- September 9, 2015State Compliance achieved2 linked violations
- September 9, 2015State Compliance achieved2 linked violations
- January 1, 2008State Compliance achieved1 linked violation
- January 1, 2008State Compliance achieved1 linked violation
- August 30, 2002Federal Compliance achieved2 linked violations
Contact
RICHLAND CITY OF
Phone not on record
Richland, WA 99352