Doyline Water Quality
Louisiana
According to EPA SDWIS, Doyline, Louisiana is served by 5 community water systems covering about 3,786 people. The same extract lists 56 health-based violation records, most recently coded 8000 in 2025. Counts are historical EPA registry rows, not a current compliance or drinkability score.
Drinking water in Doyline, Louisiana is delivered through 5 EPA-regulated community water systems serving an estimated 3,786 people. Each system is tracked in the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act, which requires testing for regulated contaminants, consumer notification of violations, and publication of an annual Consumer Confidence Report.
PlainEnviro's health-based SDWIS extract shows 56 violation records across the 5 active community systems shown here. Monitoring and reporting records are not present in the extract. The records carry 5 distinct EPA contaminant codes: Revised Total Coliform Rule, LEAD AND COPPER RULE REVISIONS, Groundwater Rule, Lead and Copper Rule, TTHM.
A past EPA health-based registry row does not describe water delivered today or current compliance status; utilities notify customers and remediate under state primacy oversight when required. For current water-quality status and treatment practices, review your local utility's most recent Consumer Confidence Report or contact the Louisiana drinking water program. All records above reflect federal EPA SDWIS data and are not independently verified against state databases.
Community Water Systems
| System Name | Pop. Served | Violations | Status |
|---|---|---|---|
| BELLEVUE WATER SYSTEM | 1,236 | 13 | Health |
| JENKINS COMMUNITY WATER SYSTEM | 1,026 | 11 | Health |
| DOYLINE WATERWORKS DISTRICT 1 | 969 | 7 | Health |
| PALMETTO WATER WORKS INC | 285 | 7 | Health |
| HORSE SHOE ROAD WATER SYSTEM | 270 | 18 | Health |
Does this city have health-based water violations?
These health-based records can represent Maximum Contaminant Level (MCL), Treatment Technique (TT), or Maximum Residual Disinfectant Level (MRDL) categories. A historical record does not establish that water is currently unsafe.
| Water system | Contaminant | Begin Date |
|---|---|---|
| PALMETTO WATER WORKS INC | Revised Total Coliform Rule | 2025-07-10 |
| DOYLINE WATERWORKS DISTRICT 1 | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| DOYLINE WATERWORKS DISTRICT 1 | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| HORSE SHOE ROAD WATER SYSTEM | LEAD AND COPPER RULE REVISIONS | 2024-10-17 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| BELLEVUE WATER SYSTEM | Groundwater Rule | 2024-09-16 |
| DOYLINE WATERWORKS DISTRICT 1 | Groundwater Rule | 2023-12-06 |
| DOYLINE WATERWORKS DISTRICT 1 | Groundwater Rule | 2023-12-06 |
| DOYLINE WATERWORKS DISTRICT 1 | Groundwater Rule | 2023-12-06 |
| DOYLINE WATERWORKS DISTRICT 1 | Groundwater Rule | 2023-12-06 |
| PALMETTO WATER WORKS INC | Revised Total Coliform Rule | 2023-08-12 |
| DOYLINE WATERWORKS DISTRICT 1 | Groundwater Rule | 2022-12-29 |
| PALMETTO WATER WORKS INC | Groundwater Rule | 2022-12-26 |
| PALMETTO WATER WORKS INC | Groundwater Rule | 2022-12-26 |
| HORSE SHOE ROAD WATER SYSTEM | Groundwater Rule | 2021-03-23 |
| HORSE SHOE ROAD WATER SYSTEM | Groundwater Rule | 2021-03-23 |
| HORSE SHOE ROAD WATER SYSTEM | Groundwater Rule | 2021-03-23 |
| HORSE SHOE ROAD WATER SYSTEM | Groundwater Rule | 2021-03-23 |
| HORSE SHOE ROAD WATER SYSTEM | Groundwater Rule | 2021-03-23 |
| HORSE SHOE ROAD WATER SYSTEM | Groundwater Rule | 2021-03-23 |
| HORSE SHOE ROAD WATER SYSTEM | Groundwater Rule | 2021-03-23 |
| JENKINS COMMUNITY WATER SYSTEM | Groundwater Rule | 2020-01-02 |
| PALMETTO WATER WORKS INC | Lead and Copper Rule | 2019-12-06 |
| PALMETTO WATER WORKS INC | Lead and Copper Rule | 2019-12-06 |
| PALMETTO WATER WORKS INC | Lead and Copper Rule | 2019-12-06 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2019-10-01 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2019-07-01 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2019-04-01 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2019-01-01 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2018-10-01 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2018-07-01 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2018-04-01 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2018-01-01 |
| JENKINS COMMUNITY WATER SYSTEM | TTHM | 2018-01-01 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2017-10-01 |
| JENKINS COMMUNITY WATER SYSTEM | TTHM | 2017-10-01 |
| JENKINS COMMUNITY WATER SYSTEM | TTHM | 2017-07-01 |
| HORSE SHOE ROAD WATER SYSTEM | TTHM | 2017-04-01 |
| JENKINS COMMUNITY WATER SYSTEM | TTHM | 2017-04-01 |
| JENKINS COMMUNITY WATER SYSTEM | TTHM | 2017-01-01 |
What are Doyline's health-based records for?
Doyline's health-based violation records carry 5 distinct EPA codes: some name a substance, others the drinking-water rule that was breached. Counts are records on file in the EPA SDWIS extract, not current test results.
| Contaminant | Records | Systems |
|---|---|---|
| Groundwater Rule | 29 | 5 |
| Tthm | 19 | 2 |
| Lead and Copper Rule Revisions | 3 | 2 |
| Lead and Copper Rule | 3 | 1 |
| Revised Total Coliform Rule | 2 | 1 |
Frequently Asked Questions
What does EPA SDWIS list for drinking water in Doyline, Louisiana? ▼
How many water violations does Doyline have in this EPA extract? ▼
What contaminants were found in Doyline water? ▼
How many water systems serve Doyline? ▼
Where does Doyline get its drinking water? ▼
How does Doyline compare in Louisiana?
Of the 329 Louisiana places with at least one community water system on file, Doyline ranks #25 by number of systems (5).
Either side of it: Columbia (5), Denham Springs (5), Jackson (5), Jonesboro (5)
About This Data
Figures here are the current EPA SDWIS extract joined to the 5 community water systems whose service area lists Doyline, ranked against the 329 Louisiana places with at least one system on file. Data current as of 2026-08-25.
Water system data comes from the EPA's Safe Drinking Water Information System (SDWIS). PlainEnviro's violation fetch is restricted upstream to records EPA flags as health-based and then joined to active community water systems. Monitoring and reporting violations are not included.
A health-based violation row in this extract is a historical EPA registry entry. It does not describe water delivered today or current compliance status. Many records are later resolved, and public water systems notify customers when required. For current conditions, contact your local water utility or the state drinking water program.
TRI facility data comes from the EPA Toxic Release Inventory. Facilities shown are those that self-report to the TRI program. PlainEnviro presents this data without advocacy framing.
Read our methodology - how this data is sourced, computed, and verified.