Public water system · LA1021003
ActiveColumbia Heights Water District
At a glance
Columbia Heights Water District (PWSID LA1021003) is an active community water system in Caldwell Parish County, Louisiana. It reports serving 1,965 people through 655 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,965
Service connections
655
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Columbia Heights Water District compare with other water systems in Caldwell Parish County?
By EPA's size categories, Columbia Heights Water District is a small system (501 to 3,300 people). Caldwell Parish County has 11 active public water systems, and Columbia Heights Water District is the 3rd-largest of them by population served. Its population served is about 33% above the county average of 1,476 people per system, and accounts for 12% of the 16,233 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 Columbia Heights Water District is well 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 Columbia Heights Water District?
EPA lists Columbia Heights Water District 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. 4 of the 11 active systems in Caldwell Parish County (36%) are also owned by a local government.
Does Columbia Heights Water District have drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2022. The violations listed here began between March 2017 and October 2022. By type: 2 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2022-10-26 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-10-01 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-10-01 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2017-03-04 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
All 4 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.
Columbia Heights Water District: frequently asked questions
Who runs Columbia Heights Water District?
Columbia Heights Water District (PWSID LA1021003) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Columbia Heights Water District serve?
Columbia Heights Water District reports serving 1,965 people through 655 service connections in Caldwell Parish County, Louisiana.
Where does Columbia Heights Water District 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 Columbia Heights Water District have any drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2022. 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 Columbia Heights Water District'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. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in October 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Columbia Heights Water District's water quality report?
As a community water system, Columbia Heights Water District 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 Caldwell Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hebert Water System | Caldwell Parish | 3,048 | Community | Groundwater |
| East Columbia Water System | Caldwell Parish | 2,829 | Community | Groundwater |
| Village of Grayson Water System | Caldwell Parish | 1,461 | Community | Groundwater |
| Kelly Water District | Caldwell Parish | 1,314 | Community | Groundwater |
| Holum Water System | Caldwell Parish | 1,230 | Community | Groundwater |
| Wards 4 & 5 Water System | Caldwell Parish | 1,002 | 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, “Columbia Heights Water District, PWSID LA1021003, Louisiana”, https://aquacensus.com/water-systems/louisiana/columbia-heights-water-district-la1021003 (data as of October 1, 2026).