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Community Water System · PWS MS0260012

City of Lexington

Lexington, Mississippi 39095 - drinking water served from groundwater sources to 1,600 people, tracked in EPA SDWIS and UCMR5.

1,600
People served
628
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 628 drinking-water violations at City of Lexington - above the Mississippi per-system average.

628
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
1,600
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: City of Lexington

City of Lexington is a local-owned community water system that delivers drinking water to 1,600 residents in Lexington, Mississippi (Holmes County) through 820 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 628 total violations for this system , of which 2 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 610 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Combined Uranium, recorded in 170 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Mississippi, EPA tracks 1,185 public water systems serving 3,286,781 people, with 499,292 cumulative violations and 10,292 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 421.3 violations. Statewide, 160 of 238 UCMR5-tested systems have reported PFAS detections (67.2%).

City of Lexington's 628 violations sit above the Mississippi average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,600
Total Violations
628
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
820
County
Holmes
School/Daycare
No
MCL Violations
2
Monitoring Violations
610
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Uranium MR 170 2012
Radium-226 MR 120 2012
Radium-228 MR 120 2012
Combined Radium (-226 and -228) MR 56 2008
Gross Alpha, Excl. Radon and U MR 56 2008
1,2,4-Trichlorobenzene MR 4 2017
Xylenes, Total MR 4 2017
DICHLOROMETHANE MR 4 2017
trans-1,2-Dichloroethylene MR 4 2017
1,2-Dichloroethane MR 4 2017
1,2-Dichloropropane MR 4 2017
Trichloroethylene MR 4 2017
CHLOROBENZENE MR 4 2017
Benzene MR 4 2017
Toluene MR 4 2017
Ethylbenzene MR 4 2017
Styrene MR 4 2017
1,1-Dichloroethylene MR 4 2017
Carbon tetrachloride MR 4 2017
o-Dichlorobenzene MR 4 2017
cis-1,2-Dichloroethylene MR 4 2017
Vinyl chloride MR 4 2017
p-Dichlorobenzene MR 4 2017
1,1,1-Trichloroethane MR 4 2017
1,1,2-Trichloroethane MR 4 2017
Tetrachloroethylene MR 4 2017
Total Haloacetic Acids (HAA5) MR 2 2024
TTHM MR 2 2024
Coliform (TCR) MCL 2 1995
Public Notice Other 1 2008

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for City of Lexington.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MS0260012 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Mississippi Drinking Water Authority

Mississippi's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find MS regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Total Haloacetic Acids (HAA5) MR 2 SDWIS / MS0260012 / 2456
2024 TTHM MR 2 SDWIS / MS0260012 / 2950
2017 1,2,4-Trichlorobenzene MR 4 SDWIS / MS0260012 / 2378
2017 Xylenes, Total MR 4 SDWIS / MS0260012 / 2955
2017 DICHLOROMETHANE MR 4 SDWIS / MS0260012 / 2964
2017 trans-1,2-Dichloroethylene MR 4 SDWIS / MS0260012 / 2979
2017 1,2-Dichloroethane MR 4 SDWIS / MS0260012 / 2980
2017 1,2-Dichloropropane MR 4 SDWIS / MS0260012 / 2983
2017 Trichloroethylene MR 4 SDWIS / MS0260012 / 2984
2017 CHLOROBENZENE MR 4 SDWIS / MS0260012 / 2989
2017 Benzene MR 4 SDWIS / MS0260012 / 2990
2017 Toluene MR 4 SDWIS / MS0260012 / 2991
2017 Ethylbenzene MR 4 SDWIS / MS0260012 / 2992
2017 Styrene MR 4 SDWIS / MS0260012 / 2996
2017 1,1-Dichloroethylene MR 4 SDWIS / MS0260012 / 2977

How City of Lexington Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric City of Lexington Mississippi avg Federal benchmark
Total violations 628 421.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 8.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 67.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,600 2,774 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,185 regulated public water systems in Mississippi.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is City of Lexington water safe to drink? ▼
City of Lexington (PWS ID: MS0260012) has 628 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,600 people using Groundwater sources.
How many people does City of Lexington serve? ▼
City of Lexington serves 1,600 people in Lexington, Mississippi. It is a Local-owned system using Groundwater water sources with 820 service connections.
What type of violations does City of Lexington have? ▼
City of Lexington has 628 total violations: 2 health-based violations (MCL exceedances or treatment failures), 610 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in City of Lexington water? ▼
No PFAS testing data is available for City of Lexington under the EPA's UCMR5 monitoring program.
What water source does City of Lexington use? ▼
City of Lexington uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.