ZipCheckup grade for 75670: B.

This ZIP has a few items worth a quick check.

Your top priority: match a filter's certification to the violations (32 health-based violations). Check your ZIP → NSF certified filters

Health Violations Found
B 83

Marshall, TX (75670): PFAS Detected in Mapped Water Systems - 83/100

EPA data combined for 11 water systems mapped to this ZIP (largest mapped system: City of Marshall)

Health Violations Found PFAS Detected

Health-based violation records by water system:

EPA records for the water systems mapped to 75670 in Marshall, TX contain 113 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 32 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
B 83/100
Water Quality Issues 32 health-based violation records
Lead Risk Below action level 0.0021 mg/L, 90th percentile, sample period ending 2022-12-31
NFIP Claim History Claim records 28 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 32 health-based violations and 81 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0021 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
  • Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
  • Flood 28 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Health Violations
113 violations 32 health-based 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 Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
B
ZIP-level Home Safety model score: 83 / 100
Home Safety Score higher than 67% of ZIP codes nationwide
11
Water Systems
23,091
People Served
32
Health Violations (since 2021)Median is 0
Surface water
Water Source
0.0021 mg/L
Reported Lead Result
Zone 3
County Radon Potential · Low
$100K
Median Home Value48% below state median ($195K)

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Score Breakdown

Overall Home Safety Score: 83/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
0/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
50/100
Indoor environment
100/100
Outdoor environment
100/100

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

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

Safety & Health (7) CRITICAL

Your Water System

ZIP code 75670 in Marshall, Texas is mapped to the water system City of Marshall (EPA ID: TX1020002). This system provides water to approximately 23,091 people from surface water sources.

There are 11 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
City of Marshall TX1020002 23,091 Surface water
Talley Water Supply Corporation TX1020023 1,737 Groundwater
Cypress Valley Water Supply Corporation Plant 2 TX1020088 705 Groundwater
North Harrison Water Supply Corporation TX1020018 1,575 Groundwater
Harleton Water Supply Corporation TX1020074 4,107 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 Marshall (TX1020002) 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 →

Compliance History

2021 3 2022 5 2023 6 2024 4 2025 5
Health-based (MCL/TT) Other violations

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 75670.

Detected compounds: PFPeA, PFBA, PFHxA, 6:2 FTS, PFBS.

Highest measured level: 0.164 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 (6) MODERATE

Possible home maintenance concerns - talk to a local expert.

Call (855) 384-4856

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Cost & Community (9) 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 Marshall

Based on local data for ZIP 75670, 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 Marshall has 28 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)

Gutter Installation & Repair

The median home in 75670 was built around 1978. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Marshall is 1978; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1978 may be on their second or third roof. A professional inspection can catch damage before leaks start.

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 75670 safe to drink?

EPA SDWIS records 113 violations since 2021 across the water systems mapped to ZIP 75670 (primary system: City of Marshall), including 32 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 75670's water come from?

The recorded water source for City of Marshall, a system mapped to ZIP code 75670, is Surface water. This system serves approximately 23,091 people.

How does Marshall water compare to the national average?

Marshall's Home Safety Score ranks better than 67% of U.S. ZIP codes, and lower than 57% of ZIP codes within Texas.

How can I get my water tested in Marshall?

If City of Marshall 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 75670 tap water?

The Lead and Copper Rule record selected for 75670 reports a 90th-percentile lead result of 0.0021 mg/L for a water system mapped to this ZIP (record date 2022-12-31). 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 75670?

75670 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Harrison 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 75670's water?

Yes, PFAS have been detected in samples from water systems mapped to 75670. 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 75670?

FEMA records contain 28 flood insurance claims filed in ZIP code 75670; the recorded rated-zone value (the most frequent one if there are several claims) is C, 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). Marshall, TX (75670): PFAS Detected in Mapped Water Systems - 83/100. https://zipcheckup.com/report/75670/
BibTeX 
@misc{zipcheckup-report-75670,
  author = {{ZipCheckup}},
  title  = {{Marshall, TX (75670): PFAS Detected in Mapped Water Systems - 83/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/75670/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 75670

ZIP Code City, State Distance Grade Violations
75671 Marshall, TX <1 mi N/A 0
75672 Marshall, TX 2.5 mi B 143
75688 Scottsville, TX 7.3 mi N/A 0
75694 Woodlawn, TX 8.4 mi N/A 0
75650 Hallsville, TX 10.2 mi B 53
75651 Harleton, TX 10.5 mi B 109
75661 Karnack, TX 11.2 mi B 46
75692 Waskom, TX 13.2 mi B 74
75659 Jonesville, TX 14.8 mi N/A 4
75642 Elysian Fields, TX 15.5 mi N/A 0

Contaminants Detected in 75670

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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