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Community Water System · PWS LA1059010

Town of Tullos Water System

Tullos, Louisiana 71479 - drinking water served from groundwater sources to 792 people, tracked in EPA SDWIS and UCMR5.

792
People served
626
EPA violations
476
Health-based
Untested
UCMR5 result

The verdict

EPA records 626 drinking-water violations at Town of Tullos Water System, 76% of them health-based - above the Louisiana per-system average.

626
Total EPA violations on record
76%
Health-based (MCL / treatment failure)
792
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Town of Tullos Water System

Town of Tullos Water System is a local-owned community water system that delivers drinking water to 792 residents in Tullos, Louisiana (La Salle Parish County) through 264 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 626 total violations for this system , of which 476 (76%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 114 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is TTHM, recorded in 288 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Louisiana, EPA tracks 1,234 public water systems serving 5,316,532 people, with 115,060 cumulative violations and 62,164 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 93.2 violations. Statewide, 218 of 265 UCMR5-tested systems have reported PFAS detections (82.3%).

Town of Tullos Water System's 626 violations sit above the Louisiana average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
792
Total Violations
626
Health-Based Violations
476
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
264
County
La Salle Parish
School/Daycare
No
MCL Violations
459
Monitoring Violations
114
Treatment Tech Violations
17

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 288 2025
Total Haloacetic Acids (HAA5) MCL 171 2025
TTHM MR 55 2023
Total Haloacetic Acids (HAA5) MR 42 2023
Groundwater Rule TT 17 2019
Public Notice Other 16 2024
Lead and Copper Rule MR 14 2019
Consumer Confidence Rule Other 12 2024
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 2010

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Town of Tullos Water System.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID LA1059010 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Louisiana Drinking Water Authority

Louisiana's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find LA regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 TTHM MCL 288 SDWIS / LA1059010 / 2950
2025 Total Haloacetic Acids (HAA5) MCL 171 SDWIS / LA1059010 / 2456
2024 Public Notice Other 16 SDWIS / LA1059010 / 7500
2024 Consumer Confidence Rule Other 12 SDWIS / LA1059010 / 7000
2023 TTHM MR 55 SDWIS / LA1059010 / 2950
2023 Total Haloacetic Acids (HAA5) MR 42 SDWIS / LA1059010 / 2456
2019 Groundwater Rule TT 17 SDWIS / LA1059010 / 0700
2019 Lead and Copper Rule MR 14 SDWIS / LA1059010 / 5000
2010 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 SDWIS / LA1059010 / 0600

How Town of Tullos Water System Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Town of Tullos Water System Louisiana avg Federal benchmark
Total violations 626 93.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 476 50.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 82.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 792 4,308 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,234 regulated public water systems in Louisiana.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Town of Tullos Water System water safe to drink? ▼
Town of Tullos Water System (PWS ID: LA1059010) has 626 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 792 people using Groundwater sources.
How many people does Town of Tullos Water System serve? ▼
Town of Tullos Water System serves 792 people in Tullos, Louisiana. It is a Local-owned system using Groundwater water sources with 264 service connections.
What type of violations does Town of Tullos Water System have? ▼
Town of Tullos Water System has 626 total violations: 476 health-based violations (MCL exceedances or treatment failures), 114 monitoring/reporting violations, and 17 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Town of Tullos Water System water? ▼
No PFAS testing data is available for Town of Tullos Water System under the EPA's UCMR5 monitoring program.
What water source does Town of Tullos Water System use? ▼
Town of Tullos Water System uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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 system's figures are rendered directly from 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.