Public water system · LA1063123
ActiveDiversion Water - Stonehill
At a glance
Diversion Water - Stonehill (PWSID LA1063123) is an active community water system in Livingston Parish County, Louisiana. It reports serving 225 people through 75 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in January 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
225
Service connections
75
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Diversion Water - Stonehill compare with other water systems in Livingston Parish County?
By EPA's size categories, Diversion Water - Stonehill is a very small system (500 people or fewer). Livingston Parish County has 27 active public water systems. Its population served is well below the county average of 5,883 people per system, and accounts for 0.1% 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 Diversion Water - Stonehill 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 Diversion Water - Stonehill?
EPA lists Diversion Water - Stonehill 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. 19 of the 27 active systems in Livingston Parish County (70%) are also privately owned.
Does Diversion Water - Stonehill have drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in January 2018. The violations listed here began between October 2010 and January 2018. By type: 3 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2018-01-12 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | 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 |
| 2012-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-10-02 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 6 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.
Diversion Water - Stonehill: frequently asked questions
Who runs Diversion Water - Stonehill?
Diversion Water - Stonehill (PWSID LA1063123) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Diversion Water - Stonehill serve?
Diversion Water - Stonehill reports serving 225 people through 75 service connections in Livingston Parish County, Louisiana.
Where does Diversion Water - Stonehill 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 Diversion Water - Stonehill have any drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in January 2018. 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 Diversion Water - Stonehill'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 6 violations for this system; 2 are health-based, and the most recent began in January 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Diversion Water - Stonehill's water quality report?
As a community water system, Diversion Water - Stonehill 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, “Diversion Water - Stonehill, PWSID LA1063123, Louisiana”, https://aquacensus.com/water-systems/louisiana/diversion-water-stonehill-la1063123 (data as of October 1, 2026).