Is ENTERPRISE, CITY OF required to publish a Consumer Confidence Report?

Yes. ENTERPRISE, CITY 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 ENTERPRISE, CITY OF’s next Consumer Confidence Report due?

ENTERPRISE, CITY 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.

ENTERPRISE, OR · Wallowa County

ENTERPRISE, CITY OF Water System

Consumer Confidence Report status

ENTERPRISE, CITY 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 ENTERPRISE, CITY 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 Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID): OR4100278
System type: Community Water System
Population served: 2,107
Service connections: 1,325
Ownership: local government
Water source: groundwater (wells)

ENTERPRISE, CITY OF is one of 203 community water systems in Oregon in the 501 to 3,300 people size category, serving 2,107 people from groundwater.

As of August 1, 2026, its federal record holds 34 entries between 1976 and 2025, all of which EPA lists as closed.

Of the 34, 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 inorganic chemicals, the Total Coliform Rules, and the Groundwater Rule.

Violation history

Failure to Conduct Assessment Monitoring
—
COLIPHAGE
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Nitrate
January 1, 2025 – December 31, 2025
Resolved
Failure to Conduct Assessment Monitoring
—
COLIPHAGE
January 1, 2025 – December 31, 2025
Archived
Failure to Conduct Assessment Monitoring
—
COLIPHAGE
January 1, 2025 – December 31, 2025
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – March 19, 2025
Resolved
Monitoring, Regular
—
Nitrate
April 1, 2021 – June 30, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2020 – October 31, 2020
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2017 – October 31, 2017
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2008 – July 31, 2008
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 2008 – February 29, 2008
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2005 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2005 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Endothall
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
June 1, 1998 – June 30, 1998
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1997 – October 31, 1997
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1994 – December 31, 1994
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1994 – August 31, 1994
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1992 – November 30, 1992
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1991 – December 31, 1991
Resolved
Monitoring, Regular
—
Fluoride
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Barium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Arsenic
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Cadmium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Mercury
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Nitrate
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Selenium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Chromium
June 24, 1979 – June 23, 1980
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – December 31, 2025	Failure to Conduct Assessment Monitoring	COLIPHAGE	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2025 – December 31, 2025	Failure to Conduct Assessment Monitoring	COLIPHAGE	—	Archived
January 1, 2025 – December 31, 2025	Failure to Conduct Assessment Monitoring	COLIPHAGE	—	Archived
July 1, 2024 – March 19, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2021 – June 30, 2021	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2020 – October 31, 2020	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2017 – October 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2008 – July 31, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
February 1, 2008 – February 29, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Endothall	—	Resolved
June 1, 1998 – June 30, 1998	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 1997 – October 31, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
December 1, 1994 – December 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1994 – August 31, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 1992 – November 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1991 – December 31, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 24, 1979 – June 23, 1980	Monitoring, Regular	Fluoride	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Barium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Arsenic	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Cadmium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Mercury	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Nitrate	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Selenium	—	Archived
June 24, 1979 – June 23, 1980	Monitoring, Regular	Chromium	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived

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

Enforcement actions

December 28, 1994State Public Notification received2 linked violations

Common questions

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

ENTERPRISE, CITY OF

541-426-3093

ENTERPRISE, OR 97828