Kennewick, WA · Benton County

BADGER MOUNTAIN IRRIGATION DISTRICT 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): WA5322617
System type: Community Water System
Population served: 2,331
Service connections: 914
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2024 – March 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2023 – December 31, 2023
Archived
Monitoring, Regular
—
BHC-GAMMA
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Methoxychlor
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Endrin
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Chlordane
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Heptachlor
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
LASSO
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Atrazine
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Simazine
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2023 – September 30, 2023
Archived
Monitoring, Regular
—
Toxaphene
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2023 – March 31, 2023
Archived
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Endrin
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Methoxychlor
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Toxaphene
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Simazine
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Atrazine
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
LASSO
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Heptachlor
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Chlordane
October 1, 2022 – December 31, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2022 – December 31, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2022 – September 30, 2022
Archived
Monitoring, Regular
—
Chlordane
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Simazine
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
LASSO
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Endrin
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
LASSO
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Simazine
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Toxaphene
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Methoxychlor
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Endrin
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Chlordane
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Heptachlor
October 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Atrazine
October 1, 2018 – December 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2018 – June 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2018 – June 30, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – January 31, 2018
Resolved
Monitoring, Regular
—
Selenium
October 1, 2004 – December 31, 2004
Resolved
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
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	BHC-GAMMA	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Methoxychlor	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Endrin	—	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Chlordane	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Benzo(a)pyrene	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Heptachlor epoxide	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Heptachlor	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	LASSO	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Atrazine	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Simazine	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
July 1, 2023 – September 30, 2023	Monitoring, Regular	Toxaphene	—	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
October 1, 2022 – December 31, 2022	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Endrin	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Toxaphene	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Simazine	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Atrazine	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	LASSO	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Heptachlor	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring, Regular	Chlordane	—	Resolved
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
January 1, 2019 – March 31, 2019	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Simazine	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	LASSO	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Endrin	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	LASSO	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Simazine	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Toxaphene	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Endrin	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Chlordane	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Heptachlor	—	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Regular	Atrazine	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2018 – June 30, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2017 – January 31, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2004 – December 31, 2004	Monitoring, Regular	Selenium	—	Resolved
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

October 3, 2024State Administrative/Compliance Order without penalty issued8 linked violations
March 22, 2023State Compliance achieved15 linked violations
April 8, 2019State Compliance achieved30 linked violations
August 23, 2018State Compliance achieved1 linked violation
August 23, 2018State Compliance achieved1 linked violation
January 31, 2018State Compliance achieved1 linked violation
December 31, 2005State Compliance achieved8 linked violations
September 30, 1992State Violation/Reminder Notice1 linked violation

Contact

BADGER MOUNTAIN IRRIGATION DISTRICT

Phone not on record

Kennewick, WA 99338