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Public water system · TN0000101

Active

Center Grove-Winchester Springs

At a glance

Center Grove-Winchester Springs (PWSID TN0000101) is an active community water system in Franklin County, Tennessee. It reports serving 6,979 people through 2,884 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in May 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

6,979

Service connections

2,884

Primary source

GU

Groundwater under influence of surface water

System type

CWS

Community water system

System record

PWSIDTN0000101
System typeCommunity water system
Activity statusActive
Population served6,979
Service connections2,884
Primary water sourceGroundwater under influence of surface water
Owner typeLocal government
Primacy agencyTN state drinking water program
City servedEstill Springs
StateTennessee
ZIP—
CountyFranklin County

How does Center Grove-Winchester Springs compare with other water systems in Franklin County?

By EPA's size categories, Center Grove-Winchester Springs is a medium system (3,301 to 10,000 people). Franklin County has 19 active public water systems, and Center Grove-Winchester Springs is the 2nd-largest of them by population served. Its population served is about 147% above the county average of 2,827 people per system, and accounts for 13% of the 53,703 people reported by systems filed under the county. Across Tennessee, the 1,383 active systems average 5,780 people each. Nationally, the average active community water system reports serving 6,703 people, so Center Grove-Winchester Springs is roughly in line with that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Tennessee has 450 active community water systems, 33% of the state's 1,383 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 44 Tennessee systems (3.2%) list groundwater under influence of surface water as their primary source.

Who owns and regulates Center Grove-Winchester Springs?

EPA lists Center Grove-Winchester Springs as owned by a local government. The TN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 19 active systems in Franklin County (42%) are also owned by a local government.

Does Center Grove-Winchester Springs have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in May 2025. The violations listed here began between September 1995 and May 2025. By type: 7 public notice, recordkeeping or other, 3 required treatment not met and 2 monitoring and reporting. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (7 of them). EPA lists 8 as resolved, 2 as unaddressed and 2 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2025-05-07Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2024-01-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2023-12-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoArchived
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2021-05-01Public notice, recordkeeping or otherRecord Keeping · code 09Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2021-02-01Public notice, recordkeeping or otherRecord Keeping · code 09Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2020-03-01Public notice, recordkeeping or otherRecord Keeping · code 09Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2018-12-01Public notice, recordkeeping or otherRecord Keeping · code 09Interim Enhanced Surface Water Treatment Rulecode 0300NoUnaddressed
2011-07-01Public notice, recordkeeping or otherRecord Keeping · code 09Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
1995-11-01Required treatment not metFailure to Filter (SWTR) · code 42Surface Water Treatment Rulecode 0200YesResolved
1995-10-01Required treatment not metFailure to Filter (SWTR) · code 42Surface Water Treatment Rulecode 0200YesResolved
1995-09-01Required treatment not metFailure to Filter (SWTR) · code 42Surface Water Treatment Rulecode 0200YesResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Center Grove-Winchester Springs: frequently asked questions

Who runs Center Grove-Winchester Springs?

Center Grove-Winchester Springs (PWSID TN0000101) is a community water system owned by a local government. It is regulated by the TN state drinking water program.

How many people does Center Grove-Winchester Springs serve?

Center Grove-Winchester Springs reports serving 6,979 people through 2,884 service connections in Franklin County, Tennessee.

Where does Center Grove-Winchester Springs get its water?

EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.

Does Center Grove-Winchester Springs have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in May 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Center Grove-Winchester Springs' water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in May 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TN state drinking water program.

Where can I find Center Grove-Winchester Springs' water quality report?

As a community water system, Center Grove-Winchester Springs must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Franklin County

Water systemCountyPopulation servedTypeSource
Winchester Water SystemFranklin24,899CommunitySurface water
Sewanee Utility DistrictFranklin5,970CommunitySurface water
Decherd Water DeptFranklin4,809CommunityGroundwater under influence of surface water
Estill Springs Water DeptFranklin4,317CommunityGroundwater under influence of surface water
Cowan B.P.U.Franklin2,550CommunityGroundwater under influence of surface water
Belvidere Rural U.D.Franklin1,771CommunityGroundwater under influence of surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Center Grove-Winchester Springs, PWSID TN0000101, Tennessee”, https://aquacensus.com/water-systems/tennessee/center-grove-winchester-springs-tn0000101 (data as of October 1, 2026).