Is BLACK DIAMOND WATER DISTRICT required to publish a Consumer Confidence Report?

Yes. BLACK DIAMOND WATER DISTRICT 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 BLACK DIAMOND WATER DISTRICT’s next Consumer Confidence Report due?

BLACK DIAMOND WATER DISTRICT’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.

PORT ANGELES, WA · Clallam County

BLACK DIAMOND WATER DISTRICT Water System

Consumer Confidence Report status

BLACK DIAMOND WATER DISTRICT 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 BLACK DIAMOND WATER DISTRICT.

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): WA5307221
System type: Community Water System
Population served: 452
Service connections: 231
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

BLACK DIAMOND WATER DISTRICT is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 452 people from surface water.

As of August 1, 2026, its federal record holds 46 entries between 1979 and 2025, all of which EPA lists as closed.

Of the 46, 41 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 Surface Water Treatment Rules, and inorganic chemicals.

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2025 – April 30, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2024 – October 31, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2024 – June 30, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2024 – June 30, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2023 – December 31, 2023
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2020 – August 31, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2019 – May 31, 2019
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 2007 – March 31, 2007
Archived
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Benzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Toluene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Styrene
January 1, 2007 – December 31, 2007
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 2007 – January 31, 2007
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2007 – December 31, 2007
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2003 – November 30, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2003 – September 30, 2003
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2002 – June 30, 2002
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2000 – September 30, 2000
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1998 – November 30, 1998
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1997 – January 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Chromium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Fluoride
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Mercury
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Nitrate
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Selenium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
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
April 1, 2025 – April 30, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2024 – October 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2024 – June 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
June 1, 2024 – June 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
August 1, 2020 – August 31, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2019 – May 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
March 1, 2007 – March 31, 2007	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Benzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Toluene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Styrene	—	Resolved
January 1, 2007 – January 31, 2007	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
November 1, 2003 – November 30, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 2003 – September 30, 2003	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 2002 – June 30, 2002	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 1, 2000 – September 30, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1998 – November 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1997 – January 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1993 – September 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Chromium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived

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

Enforcement actions

May 31, 2025State Compliance achieved1 linked violation
December 12, 2024State Compliance achieved1 linked violation
December 12, 2024State Compliance achieved1 linked violation
November 30, 2024State Compliance achieved1 linked violation
July 31, 2024State Compliance achieved1 linked violation
July 9, 2024State Compliance achieved1 linked violation
September 30, 2020State Compliance achieved1 linked violation
June 3, 2019State Compliance achieved1 linked violation
November 3, 2011State Compliance achieved1 linked violation
September 30, 1992State Violation/Reminder Notice3 linked violations
April 30, 1991State Site Visit for enforcement purposes7 linked violations

Common questions

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

BLACK DIAMOND WATER DISTRICT

Phone not on record

PORT ANGELES, WA 98362