Is SOUTHGATE WATER COMPANY required to publish a Consumer Confidence Report?

Yes. SOUTHGATE WATER COMPANY 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 SOUTHGATE WATER COMPANY’s next Consumer Confidence Report due?

SOUTHGATE WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

Pasco, WA · Benton County

SOUTHGATE WATER COMPANY Water System

Consumer Confidence Report status

SOUTHGATE WATER COMPANY 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 SOUTHGATE WATER COMPANY.

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): WA5356344
System type: Community Water System
Population served: 175
Service connections: 83
Ownership: privately owned
Water source: groundwater (wells)

SOUTHGATE WATER COMPANY is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 175 people from groundwater.

As of August 1, 2026, its federal record holds 72 entries between 1997 and 2026, all of which EPA lists as closed.

Of the 72, 70 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 volatile organic chemicals, the Total Coliform Rules, and inorganic chemicals.

Violation history

Monitoring, Regular
—
Nitrate
January 1, 2026 – March 31, 2026
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Benzene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2020 – December 31, 2025
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2020 – December 31, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – October 26, 2016
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2014 – December 31, 2022
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2014 – December 31, 2022
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2006 – December 31, 2006
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2006 – January 31, 2006
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2005 – April 30, 2005
Archived
Monitoring, Regular
—
Diquat
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Toluene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Styrene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Toluene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Styrene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2002 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 1998 – April 30, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1997 – October 31, 1997
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
January 1, 2026 – March 31, 2026	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Benzene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Toluene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Styrene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2020 – December 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2016 – October 26, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2014 – December 31, 2022	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2014 – December 31, 2022	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Nitrate	—	Resolved
December 1, 2006 – December 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 2006 – January 31, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 2005 – April 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 2005 – December 31, 2007	Monitoring, Regular	Diquat	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Toluene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Styrene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Benzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Benzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Toluene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Styrene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 1998 – April 30, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1997 – October 31, 1997	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

May 12, 2026State Compliance achieved20 linked violations
April 17, 2026State Compliance achieved1 linked violation
September 14, 2023State Compliance achieved2 linked violations
October 26, 2016State Compliance achieved1 linked violation
March 25, 2016State Compliance achieved1 linked violation
September 22, 2015State Compliance achieved1 linked violation
April 30, 1998State Public Notification received2 linked violations

Common questions

Is SOUTHGATE WATER COMPANY required to publish a Consumer Confidence Report?: Yes. SOUTHGATE WATER COMPANY 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 SOUTHGATE WATER COMPANY’s next Consumer Confidence Report due?: SOUTHGATE WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SOUTHGATE WATER COMPANY have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for SOUTHGATE WATER COMPANY.
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

SOUTHGATE WATER COMPANY

Phone not on record

Pasco, WA 99302