Is MANHATTAN TOWN OF required to publish a Consumer Confidence Report?

Yes. MANHATTAN TOWN OF 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 MANHATTAN TOWN OF’s next Consumer Confidence Report due?

MANHATTAN TOWN OF’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.

MANHATTAN, MT · Gallatin County

MANHATTAN TOWN OF Water System

Consumer Confidence Report status

MANHATTAN TOWN OF 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 MANHATTAN TOWN OF.

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): MT0000285
System type: Community Water System
Population served: 1,800
Service connections: 906
Ownership: local government
Water source: groundwater (wells)

MANHATTAN TOWN OF is one of 123 community water systems in Montana in the 501 to 3,300 people size category, serving 1,800 people from groundwater.

As of August 1, 2026, its federal record holds 35 entries between 1993 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.

All 35 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, synthetic organic chemicals, and the Total Coliform Rules.

Violation history

Monitoring, Regular
—
Pentachlorophenol
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Endrin
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Picloram
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2014 – April 30, 2014
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2014 – January 30, 2014
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
Styrene
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2005
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2004 – September 27, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1997 – June 30, 1997
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 1997 – February 28, 1997
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2021 – March 31, 2021	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Endrin	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Picloram	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 1, 2014 – April 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2014 – January 30, 2014	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Styrene	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2004 – September 27, 2002	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 1, 1997 – June 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1997 – February 28, 1997	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

June 4, 2021State Public Notification received25 linked violations
April 21, 2021State Compliance achieved1 linked violation
April 21, 2021State Compliance achieved23 linked violations
April 21, 2021State Compliance achieved1 linked violation
April 20, 2021State Violation/Reminder Notice1 linked violation
April 20, 2021State Violation/Reminder Notice23 linked violations
April 20, 2021State Public Notification requested23 linked violations
April 20, 2021State Public Notification requested1 linked violation
April 20, 2021State Violation/Reminder Notice1 linked violation
April 20, 2021State Public Notification requested1 linked violation
June 5, 2014State Public Notification received1 linked violation
May 15, 2014State Public Notification requested2 linked violations
May 7, 2014State Compliance achieved2 linked violations
May 15, 2009State Compliance achieved1 linked violation
January 7, 2009State Compliance achieved9 linked violations
January 16, 2008State Public Notification requested1 linked violation
January 16, 2008State Violation/Reminder Notice1 linked violation
May 1, 2007State Compliance achieved4 linked violations
January 14, 2007State Violation/Reminder Notice1 linked violation
January 14, 2007State Public Notification requested1 linked violation
January 14, 2007State Violation/Reminder Notice3 linked violations
January 14, 2007State Public Notification requested1 linked violation
January 14, 2007State Public Notification requested1 linked violation
January 14, 2007State Violation/Reminder Notice2 linked violations
January 14, 2007State Public Notification requested1 linked violation
June 1, 2006State Compliance achieved2 linked violations
February 10, 2006State Public Notification requested21 linked violations
February 10, 2006State Violation/Reminder Notice21 linked violations
January 4, 2006State Compliance achieved1 linked violation
December 13, 2005State Compliance achieved1 linked violation
December 2, 2005State Violation/Reminder Notice1 linked violation
December 2, 2005State Public Notification requested1 linked violation
January 4, 2005State Public Notification requested77 linked violations
June 11, 2002State Compliance achieved2 linked violations
March 9, 2001State Public Notification requested5 linked violations

Common questions

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

HUMPHREY, PAM

406-284-3235

MANHATTAN, MT 59741