ZipCheckup grade for 35603: C.

A mixed picture - some signals here are worth your attention.

Your top priority: test this home for radon. Check your ZIP → EPA radon map

Water Quality Report
C 61

Decatur, AL (35603): PFAS Detected in Mapped Water Systems - 61/100

EPA data combined for 5 water systems mapped to this ZIP (largest mapped system: Decatur, Municipal Ub of)

PFAS Detected High County Radon Potential

EPA records for the water systems mapped to 35603 in Decatur, AL contain 16 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
C 61/100
Water Quality Concerns 16 non-health-based violation records in EPA data
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2024-12-31
NFIP Claim History Claim records 34 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 16 violations (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; 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 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
  • Flood 34 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Violations on record (not health-based)
16 violations PFAS detected 1 risk identified
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
C
ZIP-level Home Safety model score: 61 / 100
Bottom 19% of U.S. ZIP codes
5
Water Systems
77,103
People Served
0
Health Violations (since 2021)
Surface water
Water Source
Zone 1
County Radon Potential · High
$236K
Median Home Value59% above state median ($148K)

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Score Breakdown

Overall Home Safety Score: 61/100

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
68/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
84/100
Indoor environment
0/100
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 (9) HIGH

Your Water System

ZIP code 35603 in Decatur, Alabama is mapped to the water system Decatur, Municipal Ub of (EPA ID: AL0001084). This system provides water to approximately 77,103 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
Decatur, Municipal Ub of AL0001084 77,103 Surface water
City of Hartselle Utility Board, AL0001086 22,233 Surface water
Ne Morgan Company, Water & Sewer Authority AL0001088 25,854 Surface water
Trinity Water Works System AL0001091 2,844 Surface water
West Morgan-east Lawrence W&s Authority AL0001092 30,000 Surface water

Other Water Quality Reports in Alabama

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 Decatur, Municipal Ub of (AL0001084) 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 35603.

Detected compounds: PFBA, PFBS.

Highest measured level: 0.013 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 →

Health Risks from Detected Contaminants

Fluoride

Moderate Risk

EPA reference value: 4 mg/L (estándar secundario: 2.0 mg/L)

Tooth & bone damage at high levels

At-risk groups: children aged 8 and younger during tooth development

Treatment options (verify a product is certified to reduce this contaminant): reverse osmosis, activated alumina, distillation · Find a filter →

Learn more about Fluoride in drinking water →

📊 EPA SDWIS + SDWA · View source →
Environmental Hazards (11) MODERATE
Home & Infrastructure (6) OK
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 Decatur

Based on local data for ZIP 35603, 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 Decatur has 34 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)

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 35603 safe to drink?

EPA SDWIS records 16 violations since 2021 across the water systems mapped to ZIP 35603 (primary system: Decatur, Municipal Ub of), 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 35603's water come from?

The recorded water source for Decatur, Municipal Ub of, a system mapped to ZIP code 35603, is Surface water. This system serves approximately 77,103 people.

How does Decatur water compare to the national average?

Decatur's Home Safety Score ranks lower than 81% of U.S. ZIP codes, and lower than 77% of ZIP codes within Alabama.

How can I get my water tested in Decatur?

If Decatur, Municipal Ub of 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.

What is the radon risk for 35603?

35603 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Morgan 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 35603's water?

Yes, PFAS have been detected in samples from water systems mapped to 35603. 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 35603?

FEMA records contain 34 flood insurance claims filed in ZIP code 35603; the recorded rated-zone value (the most frequent one if there are several claims) is B, 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). Decatur, AL (35603): PFAS Detected in Mapped Water Systems - 61/100. https://zipcheckup.com/report/35603/
BibTeX
@misc{zipcheckup-report-35603,
  author = {{ZipCheckup}},
  title  = {{Decatur, AL (35603): PFAS Detected in Mapped Water Systems - 61/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/35603/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 35603

ZIP Code City, State Distance Grade Violations
35601 Decatur, AL 2.9 mi C 16
35602 Decatur, AL 4.1 mi N/A 0
35609 Decatur, AL 4.1 mi N/A 0
35699 Decatur, AL 4.1 mi N/A 0
35673 Trinity, AL 6.0 mi C 18
35640 Hartselle, AL 8.2 mi C 22
35649 Mooresville, AL 8.9 mi N/A 4
35671 Tanner, AL 9.3 mi N/A 11
35615 Belle Mina, AL 10.2 mi N/A 0
35670 Somerville, AL 11.8 mi C 4

Contaminants Detected in 35603

Learn more about the contaminants found in your water supply:

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