COOS BAY, OR · Coos County

WATSONVILLE WATER SYSTEM Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 3 other open item(s). See the violation history below for contaminant and status details.

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 Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID): OR4105302
System type: Community Water System
Population served: 27
Service connections: 10
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2025 – December 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2025 – November 30, 2025
Archived
Monitoring, Regular
—
Combined Uranium
October 1, 2025 – December 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2025 – October 31, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2025 – December 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2025 – September 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2025 – August 31, 2025
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2025
Unaddressed
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Combined Uranium
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2025 – September 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2025 – July 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2025 – June 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2025 – May 31, 2025
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Combined Uranium
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2025 – June 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2025 – April 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2025 – March 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2025 – February 28, 2025
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2025
Unaddressed
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2025 – January 31, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2024 – December 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2024 – November 30, 2024
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 2024 – December 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2024 – October 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2024 – September 30, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2024 – August 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2024 – July 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2024 – June 30, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2024 – May 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2024 – April 30, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2024 – March 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2024 – February 29, 2024
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2024 – January 31, 2024
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Benzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Toluene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Styrene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Endothall
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Simazine
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Picloram
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
LASSO
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2024 – December 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2023 – December 31, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2023 – November 30, 2023
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
October 8, 2023
Unaddressed
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2023 – October 31, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2023 – September 30, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2023 – August 31, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2023 – July 31, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2023 – June 30, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2023 – May 31, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2023 – April 30, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2023 – March 31, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2023 – February 28, 2023
Archived
Monitoring, Regular
—
Nitrate
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2023 – January 31, 2023
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2022 – December 31, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2022 – November 30, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2022 – October 31, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2022 – September 30, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2022 – August 31, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2022 – July 31, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2022 – June 30, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2022 – May 31, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2022 – April 30, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2022 – March 31, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2022 – February 28, 2022
Archived
Failure to Filter (SWTR)
Health-based
Surface Water Treatment Rule
January 1, 2022
Unaddressed
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2022 – January 31, 2022
Archived
Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2021 – December 31, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2021 – November 30, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2021 – October 31, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2021 – September 30, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2021 – August 31, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2021 – July 31, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2021 – June 30, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2021 – May 31, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2021 – April 30, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2021 – March 31, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2021 – February 28, 2021
Archived
Monitoring, Regular
—
Nitrate
January 1, 2021 – December 31, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2021 – January 31, 2021
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2020 – December 31, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2020 – November 30, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2020 – October 31, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2020 – September 30, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2020 – August 31, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2020 – July 31, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2020 – June 30, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2020 – May 31, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2020 – April 30, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2020 – March 31, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2020 – February 29, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2020 – January 31, 2020
Archived
Monitoring, Regular
—
Nitrate
January 1, 2020 – December 31, 2020
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2019 – December 31, 2019
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2019 – November 30, 2019
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2019 – October 31, 2019
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
September 1, 2019 – September 30, 2019
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2019 – August 31, 2019
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2019 – June 30, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2019 – May 31, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2019 – March 31, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
February 1, 2019 – February 28, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2018 – December 31, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2018 – October 31, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2018 – August 31, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2018 – June 30, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
March 1, 2018 – March 31, 2018
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
December 1, 2025 – December 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
November 1, 2025 – November 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Combined Uranium	—	Archived
October 1, 2025 – October 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
September 1, 2025 – September 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
August 1, 2025 – August 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
July 1, 2025	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Unaddressed
July 1, 2025 – September 30, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Combined Uranium	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
July 1, 2025 – July 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
June 1, 2025 – June 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
May 1, 2025 – May 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Combined Uranium	—	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
April 1, 2025 – April 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
March 1, 2025 – March 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
February 1, 2025 – February 28, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2025	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Unaddressed
January 1, 2025 – January 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
December 1, 2024 – December 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
November 1, 2024 – November 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2024 – December 31, 2024	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
October 1, 2024 – October 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
September 1, 2024 – September 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
August 1, 2024 – August 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
July 1, 2024 – July 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
June 1, 2024 – June 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
May 1, 2024 – May 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2024 – April 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
March 1, 2024 – March 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
February 1, 2024 – February 29, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2024 – January 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Benzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Toluene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Styrene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Endothall	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Simazine	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Picloram	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	LASSO	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2024 – December 31, 2024	Monitoring, Regular	Nitrate	—	Resolved
December 1, 2023 – December 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
November 1, 2023 – November 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 8, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 1, 2023 – October 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
September 1, 2023 – September 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
August 1, 2023 – August 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
July 1, 2023 – July 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
June 1, 2023 – June 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
May 1, 2023 – May 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2023 – April 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
March 1, 2023 – March 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
February 1, 2023 – February 28, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2023 – January 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
December 1, 2022 – December 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
November 1, 2022 – November 30, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2022 – October 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
September 1, 2022 – September 30, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
August 1, 2022 – August 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
July 1, 2022 – July 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
June 1, 2022 – June 30, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
May 1, 2022 – May 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2022 – April 30, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
March 1, 2022 – March 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
February 1, 2022 – February 28, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2022	Failure to Filter (SWTR)	Surface Water Treatment Rule	Health-based	Unaddressed
January 1, 2022 – January 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
December 1, 2021 – December 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
November 1, 2021 – November 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2021 – October 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
September 1, 2021 – September 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
August 1, 2021 – August 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
July 1, 2021 – July 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
June 1, 2021 – June 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
May 1, 2021 – May 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2021 – April 30, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
March 1, 2021 – March 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
February 1, 2021 – February 28, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2021 – December 31, 2021	Monitoring, Regular	Nitrate	—	Archived
January 1, 2021 – January 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
December 1, 2020 – December 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
November 1, 2020 – November 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2020 – October 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
September 1, 2020 – September 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
August 1, 2020 – August 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
July 1, 2020 – July 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
June 1, 2020 – June 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
May 1, 2020 – May 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2020 – April 30, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
March 1, 2020 – March 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
February 1, 2020 – February 29, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2020 – January 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2020 – December 31, 2020	Monitoring, Regular	Nitrate	—	Archived
December 1, 2019 – December 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
November 1, 2019 – November 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2019 – October 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
September 1, 2019 – September 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
August 1, 2019 – August 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
June 1, 2019 – June 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
May 1, 2019 – May 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
March 1, 2019 – March 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
February 1, 2019 – February 28, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2018 – December 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2018 – October 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 1, 2018 – August 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
June 1, 2018 – June 30, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
March 1, 2018 – March 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Contact

WATSONVILLE WATER SYSTEM

541-361-9071

COOS BAY, OR 97420