Water Quality Report

Pasadena, TX (77507): 5 Violations Recorded for Mapped Water Systems

EPA data combined for 5 water systems mapped to this ZIP (largest mapped system: City of La Porte)

PFAS Detected

EPA records for the water systems mapped to 77507 in Pasadena, TX contain 5 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 PFAS above MCL 5 non-health-based violation records in EPA data
Lead Risk Below action level 0.0024 mg/L, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 14 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 5 violations (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0024 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
  • Flood 14 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Violations on record (not health-based)
5 violations PFAS detected
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
5
Water Systems
36,569
People Served
0
Health Violations (since 2021)
Surface water
Water Source
0.00235 mg/L
Reported Lead Result
Zone 3
County Radon Potential · Low

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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
84/100
Observed
PFAS MCL screen
Unknown
Evidence missing
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
Unknown
Indoor environment
100/100
Outdoor environment
75/100

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

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

Safety & Health (7) HIGH

Your Water System

ZIP code 77507 in Pasadena, Texas is mapped to the water system City of La Porte (EPA ID: TX1010018). This system provides water to approximately 36,569 people from surface water sources.

There are 5 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
City of La Porte TX1010018 36,569 Surface water
City of Seabrook TX1010062 13,560 Surface water
Clear Lake City Water Authority TX1010056 89,702 Surface water
City of Pasadena TX1010293 152,000 Surface water
Harris County Wcid 156 TX1013147 1,116 Surface water

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 City of La Porte (TX1010018) 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 →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 77507. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.

Detected compounds: PFBA, PFHxA, PFPeA, PFOS, PFHxS, PFBS, PFOA, PFHpA.

Highest measured level: 0.0145 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) HIGH
Home & Infrastructure (7) OK
Cost & Community (7) HIGH

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 Pasadena

Based on local data for ZIP 77507, 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 Pasadena has 14 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 77507 safe to drink?

EPA SDWIS records 5 violations since 2021 across the water systems mapped to ZIP 77507 (primary system: City of La Porte), 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 77507's water come from?

The recorded water source for City of La Porte, a system mapped to ZIP code 77507, is Surface water. This system serves approximately 36,569 people.

How can I get my water tested in Pasadena?

If City of La Porte 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 77507 tap water?

The Lead and Copper Rule record selected for 77507 reports a 90th-percentile lead result of 0.00235 mg/L for a water system mapped to this ZIP (record date 2025-12-31). 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 77507?

77507 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Harris County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 77507's water?

Yes, PFAS have been detected in samples from water systems mapped to 77507. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

What does the NFIP claim history show for ZIP 77507?

FEMA records contain 14 flood insurance claims filed in ZIP code 77507; 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. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). Pasadena, TX (77507): 5 Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/77507/
BibTeX
@misc{zipcheckup-report-77507,
  author = {{ZipCheckup}},
  title  = {{Pasadena, TX (77507): 5 Violations Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/77507/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 77507

ZIP Code City, State Distance Grade Violations
77586 Seabrook, TX 2.9 mi B 6
77572 La Porte, TX 3.7 mi N/A 0
77059 Houston, TX 3.9 mi B 3
77058 Houston, TX 4.4 mi B 2
77571 La Porte, TX 4.6 mi A 7
77508 Pasadena, TX 4.8 mi N/A 0
77062 Houston, TX 5.7 mi B 3
77536 Deer Park, TX 5.8 mi B 3
77505 Pasadena, TX 5.9 mi B 5
77565 Kemah, TX 7.0 mi A 1

Contaminants Detected in 77507

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Coverage: 14/17 risk factors Data sources →
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