Pasco, WA · Franklin County

NORTH SLOPE ESTATES PROPERTY 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): WA5310761
System type: Community Water System
Population served: 97
Service connections: 30
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025 – September 24, 2025
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
April 1, 2024 – June 30, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2022 – July 31, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Arsenic
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1999 – July 31, 1999
Archived
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
July 1, 1996 – July 31, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1995 – September 30, 1995
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
July 1, 2025 – September 24, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
July 1, 2022 – July 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Benzene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Toluene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	Styrene	—	Archived
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
April 1, 2006 – June 30, 2006	Monitoring, Regular	Arsenic	—	Resolved
July 1, 1999 – July 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
July 1, 1996 – July 31, 1996	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 1995 – September 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

December 1, 2025State Administrative/Compliance Order without penalty issued9 linked violations
September 24, 2025State Compliance achieved1 linked violation
August 26, 2022State Compliance achieved1 linked violation
August 22, 2022State Compliance achieved1 linked violation
July 8, 2010State Compliance achieved1 linked violation
July 16, 2006State Compliance achieved1 linked violation

Contact

NORTH SLOPE ESTATES PROPERTY

Phone not on record

Pasco, WA 99301