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Community Water System · PWS TX1010590

Harris County Fwsd 1B

Highlands, Texas 77562-4349 - drinking water served from surface water sources to 672 people, tracked in EPA SDWIS and UCMR5.

672
People served
118
EPA violations
20
Health-based
Untested
UCMR5 result

The verdict

EPA records 118 drinking-water violations at Harris County Fwsd 1B, 17% of them health-based - above the Texas per-system average.

118
Total EPA violations on record
17%
Health-based (MCL / treatment failure)
672
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Harris County Fwsd 1B

Harris County Fwsd 1B is a local-owned community water system that delivers drinking water to 672 residents in Highlands, Texas (Harris County) through 224 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 118 total violations for this system , of which 20 (17%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 50 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 Public Notice, recorded in 23 violations (Other). 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%).

Harris County Fwsd 1B's 118 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
672
Total Violations
118
Health-Based Violations
20
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
224
County
Harris
School/Daycare
No
MCL Violations
12
Monitoring Violations
50
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Public Notice Other 23 2025
Lead and Copper Rule MR 19 2023
Chlorine MR 18 2017
Consumer Confidence Rule Other 16 2023
Total Haloacetic Acids (HAA5) MCL 12 2024
Coliform (TCR) MR 7 2009
Lead and Copper Rule TT 6 2013
Total Haloacetic Acids (HAA5) MR 6 2024
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024

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 Harris County Fwsd 1B.

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 TX1010590 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 Harris County Fwsd 1B 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 23 SDWIS / TX1010590 / 7500
2024 Total Haloacetic Acids (HAA5) MCL 12 SDWIS / TX1010590 / 2456
2024 Total Haloacetic Acids (HAA5) MR 6 SDWIS / TX1010590 / 2456
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / TX1010590 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / TX1010590 / 5200
2023 Lead and Copper Rule MR 19 SDWIS / TX1010590 / 5000
2023 Consumer Confidence Rule Other 16 SDWIS / TX1010590 / 7000
2017 Chlorine MR 18 SDWIS / TX1010590 / 0999
2013 Lead and Copper Rule TT 6 SDWIS / TX1010590 / 5000
2009 Coliform (TCR) MR 7 SDWIS / TX1010590 / 3100

How Harris County Fwsd 1B Compares

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

Metric Harris County Fwsd 1B Texas avg Federal benchmark
Total violations 118 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 20 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 672 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 Harris County Fwsd 1B water safe to drink? ▼
Harris County Fwsd 1B (PWS ID: TX1010590) has 118 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 672 people using Surface Water sources.
How many people does Harris County Fwsd 1B serve? ▼
Harris County Fwsd 1B serves 672 people in Highlands, Texas. It is a Local-owned system using Surface Water water sources with 224 service connections.
What type of violations does Harris County Fwsd 1B have? ▼
Harris County Fwsd 1B has 118 total violations: 20 health-based violations (MCL exceedances or treatment failures), 50 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Harris County Fwsd 1B water? ▼
No PFAS testing data is available for Harris County Fwsd 1B under the EPA's UCMR5 monitoring program.
What water source does Harris County Fwsd 1B use? ▼
Harris County Fwsd 1B uses Surface Water 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.