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Community Water System · PWS TX1000071

Little Big Horn Services

Silsbee, Texas 77656-6370 - drinking water served from groundwater sources to 65 people, tracked in EPA SDWIS and UCMR5.

65
People served
403
EPA violations
44
Health-based
Untested
UCMR5 result

The verdict

EPA records 403 drinking-water violations at Little Big Horn Services, 11% of them health-based - above the Texas per-system average.

403
Total EPA violations on record
11%
Health-based (MCL / treatment failure)
65
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Little Big Horn Services

Little Big Horn Services is a private-owned community water system that delivers drinking water to 65 residents in Silsbee, Texas (Hardin County) through 24 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 403 total violations for this system , of which 44 (11%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 266 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 Chlorine, recorded in 84 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 101.5 violations. Statewide, 610 of 1,147 UCMR5-tested systems have reported PFAS detections (53.2%).

Little Big Horn Services's 403 violations sit above the Texas 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
65
Total Violations
403
Health-Based Violations
44
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
24
County
Hardin
School/Daycare
No
MCL Violations
42
Monitoring Violations
266
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 84 2021
Public Notice Other 46 2025
Coliform (TCR) MCL 42 2015
Consumer Confidence Rule Other 39 2024
Lead and Copper Rule MR 20 2025
Nitrate MR 9 2015
E. COLI MR 7 2015
Dalapon MR 6 2011
Picloram MR 6 2011
Dinoseb MR 6 2011
2,4,5-TP MR 6 2011
OXAMYL MR 6 2011
Aldicarb sulfone MR 6 2011
Carbofuran MR 6 2011
Aldicarb MR 6 2011
Asbestos MR 6 2005
2,4-D MR 6 2011
ETHYLENE DIBROMIDE MR 6 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2011
Aldicarb sulfoxide MR 6 2011
Coliform (TCR) MR 5 2007
1,2,4-Trichlorobenzene MR 3 2015
DICHLOROMETHANE MR 3 2015
p-Dichlorobenzene MR 3 2015
trans-1,2-Dichloroethylene MR 3 2015
1,2-Dichloroethane MR 3 2015
1,1,1-Trichloroethane MR 3 2015
Carbon tetrachloride MR 3 2015
1,2-Dichloropropane MR 3 2015
Trichloroethylene MR 3 2015

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 Little Big Horn Services.

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 TX1000071 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Texas Drinking Water Authority

Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch is the primacy agency that licenses and inspects Little Big Horn Services under EPA-delegated authority.

Open TX regulator portal

Source: Texas Commission on Environmental Quality (TCEQ) - Drinking Water Watch

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 Public Notice Other 46 SDWIS / TX1000071 / 7500
2025 Lead and Copper Rule MR 20 SDWIS / TX1000071 / 5000
2024 Consumer Confidence Rule Other 39 SDWIS / TX1000071 / 7000
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / TX1000071 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / TX1000071 / 5200
2021 Chlorine MR 84 SDWIS / TX1000071 / 0999
2015 Coliform (TCR) MCL 42 SDWIS / TX1000071 / 3100
2015 Nitrate MR 9 SDWIS / TX1000071 / 1040
2015 E. COLI MR 7 SDWIS / TX1000071 / 3014
2015 1,2,4-Trichlorobenzene MR 3 SDWIS / TX1000071 / 2378
2015 DICHLOROMETHANE MR 3 SDWIS / TX1000071 / 2964
2015 p-Dichlorobenzene MR 3 SDWIS / TX1000071 / 2969
2015 trans-1,2-Dichloroethylene MR 3 SDWIS / TX1000071 / 2979
2015 1,2-Dichloroethane MR 3 SDWIS / TX1000071 / 2980
2015 1,1,1-Trichloroethane MR 3 SDWIS / TX1000071 / 2981

How Little Big Horn Services Compares

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

Metric Little Big Horn Services Texas avg Federal benchmark
Total violations 403 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 44 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 53.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 65 4,524 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.

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 Little Big Horn Services water safe to drink? ▼
Little Big Horn Services (PWS ID: TX1000071) has 403 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 65 people using Groundwater sources.
How many people does Little Big Horn Services serve? ▼
Little Big Horn Services serves 65 people in Silsbee, Texas. It is a Private-owned system using Groundwater water sources with 24 service connections.
What type of violations does Little Big Horn Services have? ▼
Little Big Horn Services has 403 total violations: 44 health-based violations (MCL exceedances or treatment failures), 266 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Little Big Horn Services water? ▼
No PFAS testing data is available for Little Big Horn Services under the EPA's UCMR5 monitoring program.
What water source does Little Big Horn Services use? ▼
Little Big Horn Services 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.