Public water system · LA1025008
ActiveSandy Lake Water Supply
At a glance
Sandy Lake Water Supply (PWSID LA1025008) is an active community water system in Catahoula Parish County, Louisiana. It reports serving 3,141 people through 1,047 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in April 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,141
Service connections
1,047
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sandy Lake Water Supply compare with other water systems in Catahoula Parish County?
By EPA's size categories, Sandy Lake Water Supply is a small system (501 to 3,300 people). Catahoula Parish County has 7 active public water systems, and Sandy Lake Water Supply is the largest of them by population served. Its population served is about 73% above the county average of 1,815 people per system, and accounts for 25% of the 12,708 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 Sandy Lake Water Supply is about half of 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 Sandy Lake Water Supply?
EPA lists Sandy Lake Water Supply as privately owned. 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 7 active systems in Catahoula Parish County (57%) are also privately owned.
Does Sandy Lake Water Supply have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in April 2014. The violations listed here began between September 1993 and April 2014. By type: 2 contaminant level above the legal limit, 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 as resolved 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 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 |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1993-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 5 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.
Sandy Lake Water Supply: frequently asked questions
Who runs Sandy Lake Water Supply?
Sandy Lake Water Supply (PWSID LA1025008) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Sandy Lake Water Supply serve?
Sandy Lake Water Supply reports serving 3,141 people through 1,047 service connections in Catahoula Parish County, Louisiana.
Where does Sandy Lake Water Supply 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 Sandy Lake Water Supply have any drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in April 2014. 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 Sandy Lake Water Supply'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 5 violations for this system; 2 are health-based, and the most recent began in April 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Sandy Lake Water Supply's water quality report?
As a community water system, Sandy Lake Water Supply 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 Catahoula Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Town of Jonesville Water System | Catahoula Parish | 2,811 | Community | Groundwater |
| Black River Water System | Catahoula Parish | 2,256 | Community | Groundwater |
| Village of Harrisonburg Water System | Catahoula Parish | 1,530 | Community | Groundwater |
| Leland Water System Inc. | Catahoula Parish | 1,140 | Community | Groundwater |
| Village of Sicily Island | Catahoula Parish | 930 | Community | Groundwater |
| Maitland Water Works District | Catahoula Parish | 900 | 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, “Sandy Lake Water Supply, PWSID LA1025008, Louisiana”, https://aquacensus.com/water-systems/louisiana/sandy-lake-water-supply-la1025008 (data as of October 1, 2026).