PlainWater
States → Louisiana

Community Water System · PWS LA1063003

Colyell Community Water

Livingston, Louisiana 70754 - drinking water served from groundwater sources to 4,544 people, tracked in EPA SDWIS and UCMR5.

4,544
People served
57
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 57 drinking-water violations at Colyell Community Water, 12% of them health-based - below the Louisiana per-system average.

57
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
4,544
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Colyell Community Water

Colyell Community Water is a local-owned community water system that delivers drinking water to 4,544 residents in Livingston, Louisiana (Livingston Parish County) through 1,171 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 57 total violations for this system , of which 7 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 48 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 TTHM, recorded in 12 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 Louisiana, EPA tracks 1,234 public water systems serving 5,316,532 people, with 115,060 cumulative violations and 62,164 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 93.2 violations. Statewide, 218 of 265 UCMR5-tested systems have reported PFAS detections (82.3%).

Colyell Community Water's 57 violations sit below the Louisiana 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
4,544
Total Violations
57
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,171
County
Livingston Parish
School/Daycare
No
MCL Violations
7
Monitoring Violations
48
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 12 2013
Total Haloacetic Acids (HAA5) MR 12 2013
Chlorine MR 8 2016
Coliform (TCR) MCL 7 2003
Coliform (TCR) MR 7 2015
Lead and Copper Rule MR 6 2024
E. COLI MR 3 2014

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 Colyell Community Water.

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 LA1063003 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Louisiana Drinking Water Authority

Louisiana'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 LA 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 Lead and Copper Rule MR 6 SDWIS / LA1063003 / 5000
2016 Chlorine MR 8 SDWIS / LA1063003 / 0999
2015 Coliform (TCR) MR 7 SDWIS / LA1063003 / 3100
2014 E. COLI MR 3 SDWIS / LA1063003 / 3014
2013 TTHM MR 12 SDWIS / LA1063003 / 2950
2013 Total Haloacetic Acids (HAA5) MR 12 SDWIS / LA1063003 / 2456
2003 Coliform (TCR) MCL 7 SDWIS / LA1063003 / 3100

How Colyell Community Water Compares

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

Metric Colyell Community Water Louisiana avg Federal benchmark
Total violations 57 93.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 50.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 82.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 4,544 4,308 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,234 regulated public water systems in Louisiana.

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 Colyell Community Water water safe to drink? ▼
Colyell Community Water (PWS ID: LA1063003) has 57 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,544 people using Groundwater sources.
How many people does Colyell Community Water serve? ▼
Colyell Community Water serves 4,544 people in Livingston, Louisiana. It is a Local-owned system using Groundwater water sources with 1,171 service connections.
What type of violations does Colyell Community Water have? ▼
Colyell Community Water has 57 total violations: 7 health-based violations (MCL exceedances or treatment failures), 48 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Colyell Community Water water? ▼
No PFAS testing data is available for Colyell Community Water under the EPA's UCMR5 monitoring program.
What water source does Colyell Community Water use? ▼
Colyell Community Water 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.