Is YELLOWSTONE HOLIDAY WTR AND SEW DISTRICT required to publish a Consumer Confidence Report?

Yes. YELLOWSTONE HOLIDAY WTR AND SEW 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 YELLOWSTONE HOLIDAY WTR AND SEW DISTRICT’s next Consumer Confidence Report due?

YELLOWSTONE HOLIDAY WTR AND SEW 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.

WEST YELLOWSTONE, MT · Gallatin County

YELLOWSTONE HOLIDAY WTR AND SEW DISTRICT Water System

Consumer Confidence Report status

YELLOWSTONE HOLIDAY WTR AND SEW 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 YELLOWSTONE HOLIDAY WTR AND SEW 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 Montana’s official records. Always confirm current status with Montana before making decisions based on this information.

System facts

System ID (PWSID): MT0001326
System type: Community Water System
Population served: 85
Service connections: 34
Ownership: privately owned
Water source: groundwater (wells)

YELLOWSTONE HOLIDAY WTR AND SEW DISTRICT is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 85 people from groundwater.

As of August 1, 2026, its federal record holds 30 entries between 1997 and 2016, all of which EPA lists as closed. Nothing has been added since 2016.

All 30 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, the Total Coliform Rules, and the Lead and Copper Rule.

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2016 – October 24, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2012 – April 11, 2012
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Dalapon
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
OXAMYL
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Simazine
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Picloram
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Endrin
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Chlordane
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Aldicarb
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Atrazine
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
LASSO
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
2,4-D
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2008 – December 31, 2010
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2007 – May 31, 2007
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2005 – December 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1997 – June 30, 1997
Resolved

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
October 1, 2016 – October 24, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 2012 – April 11, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dalapon	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Simazine	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Picloram	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Endrin	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Chlordane	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Carbofuran	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Atrazine	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	LASSO	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Heptachlor epoxide	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4-D	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
May 1, 2007 – May 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2005 – December 31, 2005	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
June 1, 1997 – June 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

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

Enforcement actions

October 24, 2016State Compliance achieved3 linked violations
May 15, 2009State Compliance achieved2 linked violations
June 15, 2007State Public Notification requested4 linked violations

Common questions

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

JOHNSON, GREG G

406-640-1664

WEST YELLOWSTONE, MT 59758