Is NOLENSVILLE-COLLEGE GROVE U.D. required to publish a Consumer Confidence Report?

Yes. NOLENSVILLE-COLLEGE GROVE U.D. 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 NOLENSVILLE-COLLEGE GROVE U.D.’s next Consumer Confidence Report due?

NOLENSVILLE-COLLEGE GROVE U.D.’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.

NOLENSVILLE, TN · Williamson County

NOLENSVILLE-COLLEGE GROVE U.D. Water System

Consumer Confidence Report status

NOLENSVILLE-COLLEGE GROVE U.D. 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 NOLENSVILLE-COLLEGE GROVE U.D..

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

System facts

System ID (PWSID): TN0000511
System type: Community Water System
Population served: 34,159
Service connections: 11,944
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

NOLENSVILLE-COLLEGE GROVE U.D. is one of 144 community water systems in Tennessee in the 10,001 to 100,000 people size category, serving 34,159 people from surface water.

As of August 1, 2026, its federal record holds 5 entries between 1990 and 1996, all of which EPA lists as closed. Nothing has been added since 1996.

Of the 5, 2 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 the Total Coliform Rules.

Violation history

Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
March 1, 1996 – March 31, 1996
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1992 – September 30, 1992
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1990 – December 31, 1990
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 1990 – November 30, 1990
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1990 – September 30, 1990
Archived

Archived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
March 1, 1996 – March 31, 1996	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
September 1, 1992 – September 30, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
December 1, 1990 – December 31, 1990	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 1990 – November 30, 1990	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 1990 – September 30, 1990	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

April 30, 1996State Violation/Reminder Notice2 linked violations
June 7, 1994State Compliance achieved1 linked violation
May 2, 1994State Bilateral Compliance Agreement signed1 linked violation
May 2, 1994State Formal Notice of Violation issued1 linked violation
May 2, 1994State Formal Notice of Violation issued1 linked violation
May 2, 1994State Bilateral Compliance Agreement signed1 linked violation
February 24, 1994State Public Notification received1 linked violation
February 24, 1994State Public Notification received1 linked violation
February 4, 1994State Public Notification requested2 linked violations
August 10, 1993State Violation/Reminder Notice1 linked violation
August 31, 1992State Violation/Reminder Notice3 linked violations
January 31, 1991State Violation/Reminder Notice1 linked violation

Common questions

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

POLSTON, MIKE

615-776-2511

NOLENSVILLE, TN 37135