Deer Park, WA · Spokane County
DEER PARK CITY OF Water System
Consumer Confidence Report status
DEER PARK 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 DEER PARK 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)
- WA5318500
- System type
- Community Water System
- Population served
- 5,435
- Service connections
- 2,616
- Ownership
- local government
- Water source
- groundwater (wells)
DEER PARK CITY OF is one of 112 community water systems in Washington in the 3,301 to 10,000 people size category, serving 5,435 people from groundwater.
As of August 1, 2026, its federal record holds 70 entries between 1979 and 2025, all of which EPA lists as closed.
Of the 70, 67 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 synthetic organic chemicals, volatile organic chemicals, and inorganic chemicals.
Violation history
Monitoring, Regular
—Carbon tetrachloride
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—LASSO
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Heptachlor
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Heptachlor epoxide
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Benzo(a)pyrene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Chlordane
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Benzene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Toluene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Styrene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Dalapon
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Picloram
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Dinoseb
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—2,4,5-TP
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Pentachlorophenol
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Endrin
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—BHC-GAMMA
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Methoxychlor
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Toxaphene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Simazine
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Atrazine
October 1, 2025 – December 31, 2025
ResolvedMonitoring, Regular
—Nitrate
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Dinoseb
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—2,4,5-TP
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Dalapon
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Picloram
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Endrin
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—BHC-GAMMA
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Methoxychlor
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Toxaphene
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Simazine
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Atrazine
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—LASSO
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Heptachlor
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Heptachlor epoxide
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Benzo(a)pyrene
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Chlordane
July 1, 2018 – September 30, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – October 8, 2013
ResolvedMonitoring, Regular
—Nitrate
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Nitrate
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Nitrate
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Nitrate
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Nitrate
January 1, 2006 – December 31, 2006
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2000 – September 30, 2000
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1994 – September 30, 1994
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 |
|---|---|---|---|---|
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | LASSO | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Heptachlor | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Chlordane | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Dalapon | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Picloram | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Dinoseb | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Endrin | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Methoxychlor | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Toxaphene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Simazine | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| October 1, 2025 – December 31, 2025 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Dinoseb | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Dalapon | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Picloram | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Endrin | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Methoxychlor | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Toxaphene | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Simazine | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Atrazine | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Heptachlor | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Chlordane | — | Resolved |
| July 1, 2013 – October 8, 2013 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate | — | Resolved |
| September 1, 2000 – September 30, 2000 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| September 1, 1994 – September 30, 1994 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | 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
- March 18, 2026State Compliance achieved15 linked violations
- March 18, 2026State Compliance achieved20 linked violations
- March 18, 2026State Compliance achieved5 linked violations
- March 17, 2025State Compliance achieved1 linked violation
- December 18, 2018State Compliance achieved5 linked violations
- December 18, 2018State Compliance achieved15 linked violations
- October 8, 2013State Compliance achieved1 linked violation
- June 12, 2007State Compliance achieved11 linked violations
- September 30, 2000State Public Notification received1 linked violation
- September 30, 2000State Violation/Reminder Notice1 linked violation
Common questions
Is DEER PARK CITY OF required to publish a Consumer Confidence Report?
- Yes. DEER PARK 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 DEER PARK CITY OF’s next Consumer Confidence Report due?
- DEER PARK CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DEER PARK CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for DEER PARK 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
DEER PARK CITY OF
Phone not on record
Deer Park, WA 99006