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Counties → Louisiana

Union Parish County, Louisiana

Water Systems
20
Population Served
32,739
Total Violations
9,066
6,076 health-based
PFAS Detected
1
of 1 tested

Violation Analysis

100.0%
Systems with Violations
453.3
Avg Violations per System
67.0%
Health-Based Violations

Water Source Types

GW
20 systems (100%)

PFAS Contamination

1
Systems Tested
1
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Union Parish Louisiana water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (20)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Farmerville Water System 5,400 326 Detected
Darbonne WS South 3,261 301 -
Darbonne WS North 3,186 273 -
Holmesville Water System 2,406 362 -
Point Wilhite WS 2,235 405 -
Bernice Water System 1,863 184 -
Rocky Branch Water System 1,650 293 -
Linville-Haile Water System 1,635 647 -
Union Parish Waterworks District 1 1,626 939 -
Wards Chapel Water System 1,620 510 -
Marion Water System 1,512 518 -
Sardis Water System 1,404 707 -
Tri-Water System 1,302 503 -
West Sterlington Water System 1,095 247 -
Salem Water System 753 707 -
Junction City Water System 708 31 -
Litroe Water System 369 1,110 -
Corney Water System 249 19 -
Randolph Water System 249 393 -
Downsville Water System 216 591 -

Other Counties in Louisiana

East Baton Rouge Parish County
19 systems · 650,087 served · 566 violations
Jefferson Parish County
4 systems · 440,987 served · 247 violations
Orleans Parish County
10 systems · 389,093 served · 157 violations
Lafayette Parish County
62 systems · 303,179 served · 2,569 violations
St. Tammany Parish County
213 systems · 266,825 served · 7,149 violations
Caddo Parish County
48 systems · 249,641 served · 5,038 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Union Parish County? ▼
Union Parish County has 9,066 total drinking water violations across 20 water systems, of which 6,076 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Union Parish County systems? ▼
Water systems in Union Parish County serve approximately 32,739 people through 20 public water systems.
Has PFAS been detected in Union Parish County water? ▼
Of 1 water systems tested for PFAS in Union Parish County, 1 had PFAS detected (100.0% detection rate).
What types of water sources supply Union Parish County? ▼
Water systems in Union Parish County use GW (20 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 67.0% of Union Parish County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.