Is WILDERNESS PLATEAU WATER AND SEWER DIST required to publish a Consumer Confidence Report?

Yes. WILDERNESS PLATEAU WATER AND SEWER DIST 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 WILDERNESS PLATEAU WATER AND SEWER DIST’s next Consumer Confidence Report due?

WILDERNESS PLATEAU WATER AND SEWER DIST’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.

TROY, MT · Lincoln County

WILDERNESS PLATEAU WATER AND SEWER DIST Water System

Consumer Confidence Report status

WILDERNESS PLATEAU WATER AND SEWER DIST 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 1 open health-based violation for WILDERNESS PLATEAU WATER AND SEWER DIST.

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

System facts

System ID (PWSID): MT0002985
System type: Community Water System
Population served: 208
Service connections: 54
Ownership: local government
Water source: groundwater (wells)

WILDERNESS PLATEAU WATER AND SEWER DIST is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 208 people from groundwater.

As of August 1, 2026, its federal record holds 61 entries between 1995 and 2020, of which 1 health-based item remains open.

Of the 61, 57 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 synthetic organic chemicals, volatile organic chemicals, and the Total Coliform Rules.

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – August 5, 2020
Resolved
Treatment Technique, Corrective/Expedited Actions (RTCR)
Health-based
Revised Total Coliform Rule
July 1, 2020
Addressed
Monitoring, Source Water (GWR)
—
E. COLI
October 3, 2019 – April 30, 2020
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
May 28, 2018 – May 29, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2017 – August 31, 2020
Resolved
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2017 – August 31, 2020
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Benzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Toluene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Styrene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Endrin
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Simazine
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Picloram
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
LASSO
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Nickel
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2017 – December 31, 2019
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2017 – December 31, 2019
Resolved
Sample Siting Plan Errors (RTCR)
—
Revised Total Coliform Rule
April 2, 2016 – July 15, 2020
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2010 – July 28, 2010
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2008 – December 20, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1996 – June 30, 1996
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1995 – September 30, 1995
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1995 – May 31, 1995
Resolved

Resolved addressed and confirmed by the stateAddressed corrective action reported, pending final confirmation

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2020 – August 5, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2020	Treatment Technique, Corrective/Expedited Actions (RTCR)	Revised Total Coliform Rule	Health-based	Addressed
October 3, 2019 – April 30, 2020	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
May 28, 2018 – May 29, 2018	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
September 1, 2017 – August 31, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2017 – August 31, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Benzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Toluene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Styrene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Endrin	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Simazine	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Picloram	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	LASSO	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Nickel	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2017 – December 31, 2019	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 2, 2016 – July 15, 2020	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2010 – July 28, 2010	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2008 – December 20, 2013	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
June 1, 1996 – June 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nitrate	—	Resolved
September 1, 1995 – September 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 1995 – May 31, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the stateAddressed corrective action reported, pending final confirmation

Enforcement actions

August 1, 2025State Administrative/Compliance Order with penalty issued1 linked violation
July 31, 2024State Other1 linked violation
July 10, 2024State Other1 linked violation
August 19, 2021State Compliance achieved2 linked violations
March 17, 2021State Public Notification requested1 linked violation
March 17, 2021State Violation/Reminder Notice1 linked violation
October 19, 2020State Public Notification requested2 linked violations
October 19, 2020State Violation/Reminder Notice2 linked violations
August 5, 2020State Compliance achieved1 linked violation
July 20, 2020State Violation/Reminder Notice1 linked violation
July 15, 2020State Compliance achieved1 linked violation
April 30, 2020State Compliance achieved1 linked violation
February 10, 2020State Public Notification received48 linked violations
February 7, 2020State Compliance achieved4 linked violations
February 7, 2020State Compliance achieved21 linked violations
February 7, 2020State Compliance achieved23 linked violations
January 22, 2020State Violation/Reminder Notice4 linked violations
January 22, 2020State Violation/Reminder Notice23 linked violations
January 22, 2020State Public Notification requested23 linked violations
January 22, 2020State Violation/Reminder Notice21 linked violations
January 22, 2020State Public Notification requested21 linked violations
January 22, 2020State Public Notification requested4 linked violations
October 18, 2019State Public Notification requested1 linked violation
October 18, 2019State Violation/Reminder Notice1 linked violation
June 19, 2018State Public Notification requested1 linked violation
June 19, 2018State Violation/Reminder Notice1 linked violation
May 29, 2018State Compliance achieved1 linked violation
January 4, 2017State Public Notification requested1 linked violation
January 4, 2017State Violation/Reminder Notice1 linked violation
January 24, 2014State Public Notification requested1 linked violation
January 24, 2014State Violation/Reminder Notice1 linked violation
December 20, 2013State Compliance achieved1 linked violation
July 28, 2010State Compliance achieved1 linked violation
July 28, 2010State Public Notification received1 linked violation
July 28, 2010State Violation/Reminder Notice1 linked violation
July 28, 2010State Public Notification requested1 linked violation
July 28, 2010State Violation/Reminder Notice1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
April 4, 2006State Compliance achieved2 linked violations
February 24, 2005State Public Notification requested2 linked violations
December 30, 1996State Violation/Reminder Notice4 linked violations
July 31, 1996State Violation/Reminder Notice1 linked violation
January 30, 1996State Violation/Reminder Notice1 linked violation
July 7, 1995State Violation/Reminder Notice3 linked violations
November 22, 1993State Violation/Reminder Notice6 linked violations

Common questions

Is WILDERNESS PLATEAU WATER AND SEWER DIST required to publish a Consumer Confidence Report?: Yes. WILDERNESS PLATEAU WATER AND SEWER DIST 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 WILDERNESS PLATEAU WATER AND SEWER DIST’s next Consumer Confidence Report due?: WILDERNESS PLATEAU WATER AND SEWER DIST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WILDERNESS PLATEAU WATER AND SEWER DIST have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 open health-based violation for WILDERNESS PLATEAU WATER AND SEWER DIST.
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

CURRY, TERESA

406-291-2182

TROY, MT 59935