Water Quality Report

Brookshire, TX (77423): 20 Violations Recorded for Mapped Water Systems

EPA data combined for 10 water systems mapped to this ZIP (largest mapped system: Brookshire Mwd)

NFIP Claim History

EPA records for the water systems mapped to 77423 in Brookshire, TX contain 20 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality Concerns 20 non-health-based violation records in EPA data
Lead Risk Below action level 0.0019 mg/L, 90th percentile, sample period ending 2024-12-31
NFIP Claim History Claim records 326 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 20 violations (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0019 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
  • Flood 326 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
Contaminant Summary
Violations on record (not health-based)
20 violations
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
10
Water Systems
5,364
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
0.00192 mg/L
Reported Lead Result
Zone 3
County Radon Potential · Low
$266K
Median Home Value37% above state median ($195K)

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
54/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
77/100
Indoor environment
100/100
Outdoor environment
Unknown

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (5) MODERATE

Your Water System

ZIP code 77423 in Brookshire, Texas is mapped to the water system Brookshire Mwd (EPA ID: TX2370004). This system provides water to approximately 5,364 people from groundwater sources.

There are 10 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Brookshire Mwd TX2370004 5,364 Groundwater
City of Fulshear TX0790133 34,000 Groundwater
Fort Bend County Municipal Utility District 182 TX0790500 10,498 Groundwater
Pattison Water Supply Corporation TX2370005 1,650 Groundwater
Fulshear Municipal Utility District 3a TX0790560 5,421 Groundwater

Other Water Quality Reports in Texas

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Brookshire Mwd (TX2370004) on EPA.gov.

4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 77423 show no PFAS detections among the compounds tested, at the program's reporting levels.

The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) HIGH
Home & Infrastructure (6) OK
Cost & Community (8) OK

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Brookshire

Based on local data for ZIP 77423, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

The ZIP code for this report in Brookshire has 326 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Roofing Inspection & Repair

Active weather alerts in Texas increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 77423 safe to drink?

EPA SDWIS records 20 violations since 2021 across the water systems mapped to ZIP 77423 (primary system: Brookshire Mwd), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 77423's water come from?

The recorded water source for Brookshire Mwd, a system mapped to ZIP code 77423, is Groundwater. This system serves approximately 5,364 people.

How can I get my water tested in Brookshire?

If Brookshire Mwd supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 77423 tap water?

The Lead and Copper Rule record selected for 77423 reports a 90th-percentile lead result of 0.00192 mg/L for a water system mapped to this ZIP (record date 2024-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 77423?

77423 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Waller County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

What does the NFIP claim history show for ZIP 77423?

FEMA records contain 326 flood insurance claims filed in ZIP code 77423; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Brookshire, TX (77423): 20 Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/77423/
BibTeX
@misc{zipcheckup-report-77423,
  author = {{ZipCheckup}},
  title  = {{Brookshire, TX (77423): 20 Violations Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/77423/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 77423

ZIP Code City, State Distance Grade Violations
77466 Pattison, TX 2.0 mi N/A 6
77441 Fulshear, TX 7.5 mi N/A 69
77473 San Felipe, TX 7.6 mi N/A 0
77476 Simonton, TX 8.8 mi N/A 69
77491 Katy, TX 9.2 mi N/A 0
77492 Katy, TX 9.2 mi N/A 0
77493 Katy, TX 9.7 mi A 14
77494 Katy, TX 9.9 mi N/A 23
77474 Sealy, TX 11.1 mi N/A 29
77485 Wallis, TX 12.3 mi N/A 73

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