Deer Park, WA · Spokane County

DEER PARK 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): WA5318500
System type: Community Water System
Population served: 5,255
Service connections: 2,616
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Heptachlor
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Chlordane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Benzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Toluene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Styrene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Dalapon
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Picloram
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Dinoseb
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
2,4,5-TP
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Pentachlorophenol
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Endrin
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
BHC-GAMMA
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Methoxychlor
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Toxaphene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Simazine
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Atrazine
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
LASSO
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Picloram
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Endrin
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Simazine
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
LASSO
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2018 – September 30, 2018
Resolved
Monitoring, Regular
—
Chlordane
July 1, 2018 – September 30, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – October 8, 2013
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2000 – September 30, 2000
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
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
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Heptachlor	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Heptachlor epoxide	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Benzo(a)pyrene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Chlordane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Benzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Toluene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Styrene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Dalapon	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Picloram	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Dinoseb	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	2,4,5-TP	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Pentachlorophenol	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Endrin	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	BHC-GAMMA	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Methoxychlor	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Toxaphene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Simazine	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Atrazine	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	LASSO	—	Archived
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
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	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 17, 2025State Compliance achieved1 linked violation
December 18, 2018State Compliance achieved15 linked violations
December 18, 2018State Compliance achieved5 linked violations
October 8, 2013State Compliance achieved1 linked violation
June 12, 2007State Compliance achieved11 linked violations
January 1, 2007State Compliance achieved10 linked violations
January 1, 2007State Compliance achieved11 linked violations
September 30, 2000State Violation/Reminder Notice1 linked violation
September 30, 2000State Public Notification received1 linked violation

Contact

DEER PARK CITY OF

Phone not on record

Deer Park, WA 99006