Public water system · LA1063003
ActiveColyell Community Water
At a glance
Colyell Community Water (PWSID LA1063003) is an active community water system in Livingston Parish County, Louisiana. It reports serving 4,544 people through 1,171 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,544
Service connections
1,171
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Colyell Community Water compare with other water systems in Livingston Parish County?
By EPA's size categories, Colyell Community Water is a medium system (3,301 to 10,000 people). Livingston Parish County has 27 active public water systems. Its population served is about 23% below the county average of 5,883 people per system, and accounts for 2.9% of the 158,842 people reported by systems filed under the county. Across Louisiana, the 1,121 active systems average 4,685 people each. Nationally, the average active community water system reports serving 6,703 people, so Colyell Community Water is about 32% below 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. Louisiana has 815 active community water systems, 73% of the state's 1,121 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 966 Louisiana systems (86%) list groundwater as their primary source.
Who owns and regulates Colyell Community Water?
EPA lists Colyell Community Water as owned by a local government. The LA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 7 of the 27 active systems in Livingston Parish County (26%) are also owned by a local government.
Does Colyell Community Water have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. The violations listed here began between October 2009 and December 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (3 of them). EPA lists 12 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-12-18 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-07-27 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2013-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2009-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
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.
Colyell Community Water: frequently asked questions
Who runs Colyell Community Water?
Colyell Community Water (PWSID LA1063003) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Colyell Community Water serve?
Colyell Community Water reports serving 4,544 people through 1,171 service connections in Livingston Parish County, Louisiana.
Where does Colyell Community Water get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Colyell Community Water have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. 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 Colyell Community Water's 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, none is health-based, and the most recent began in December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Colyell Community Water's water quality report?
As a community water system, Colyell Community Water 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 Livingston Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ward Ii Water District | Livingston Parish | 78,147 | Community | Groundwater |
| City of Denham Springs Water System | Livingston Parish | 25,725 | Community | Groundwater |
| Town of Walker Water System | Livingston Parish | 15,813 | Community | Groundwater |
| Town of Livingston Water System | Livingston Parish | 8,946 | Community | Groundwater |
| Town of Albany Water System | Livingston Parish | 7,305 | Community | Groundwater |
| Fourth Ward Water Works | Livingston Parish | 4,839 | Community | Groundwater |
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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, “Colyell Community Water, PWSID LA1063003, Louisiana”, https://aquacensus.com/water-systems/louisiana/colyell-community-water-la1063003 (data as of October 1, 2026).