ZipCheckup grade for 36603: A.

The model grade is high, but the records on this page include findings worth reviewing.

Your top priority: match a filter's certification to the violations (9 health-based violations). Check your ZIP → NSF certified filters

Health Violations Found
A 96

Mobile, AL (36603): 9 Health-Based Violations Recorded for Mapped Water Systems - 96/100

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: City of Mobile, Bd. of W&s Commission of the)

Health Violations Found NFIP Claim History

Health-based violation records by water system:

EPA records for the water systems mapped to 36603 in Mobile, AL contain 20 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 9 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
A 96/100
Water Quality Issues 9 health-based violation records
Lead Risk Below action level 0.0015 mg/L, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 618 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 9 health-based violations and 11 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0015 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 618 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
Contaminant Summary
Health Violations
20 violations 9 health-based
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
A
ZIP-level Home Safety model score: 96 / 100
Home Safety Score higher than 88% of ZIP codes nationwide
2
Water Systems
279,000
People Served
9
Health Violations (since 2021)Median is 0
Surface water
Water Source
0.0015 mg/L
Reported Lead Result
Zone 3
County Radon Potential · Low
$107K
Median Home Value27% below state median ($148K)

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Score Breakdown

Overall Home Safety Score: 96/100

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
78/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
100/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
89/100
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 36603 in Mobile, Alabama is mapped to the water system City of Mobile, Bd. of W&s Commission of the (EPA ID: AL0001005). This system provides water to approximately 279,000 people from surface water sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
City of Mobile, Bd. of W&s Commission of the AL0001005 279,000 Surface water
Prichard Water Works Board AL0001015 29,190 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 City of Mobile, Bd. of W&s Commission of the (AL0001005) 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 2022 2023 1 2024 3 2025 4
Health-based (MCL/TT) Other violations

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 36603 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) CRITICAL
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 Mobile

Based on local data for ZIP 36603, 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 Mobile has 618 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 36603 was built around 1964. 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 Mobile is 1964; 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 1964 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 36603 safe to drink?

EPA SDWIS records 20 violations since 2021 across the water systems mapped to ZIP 36603 (primary system: City of Mobile, Bd. of W&s Commission of the), including 9 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 36603's water come from?

The recorded water source for City of Mobile, Bd. of W&s Commission of the, a system mapped to ZIP code 36603, is Surface water. This system serves approximately 279,000 people.

How does Mobile water compare to the national average?

Mobile's Home Safety Score ranks better than 88% of U.S. ZIP codes, and at or above 89% within Alabama.

How can I get my water tested in Mobile?

If City of Mobile, Bd. of W&s Commission of the 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 36603 tap water?

The Lead and Copper Rule record selected for 36603 reports a 90th-percentile lead result of 0.0015 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 36603?

36603 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Mobile 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 36603?

FEMA records contain 618 flood insurance claims filed in ZIP code 36603; 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). Mobile, AL (36603): 9 Health-Based Violations Recorded for Mapped Water Systems - 96/100. https://zipcheckup.com/report/36603/
BibTeX 
@misc{zipcheckup-report-36603,
  author = {{ZipCheckup}},
  title  = {{Mobile, AL (36603): 9 Health-Based Violations Recorded for Mapped Water Systems - 96/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/36603/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 36603

ZIP Code City, State Distance Grade Violations
36602 Mobile, AL <1 mi N/A 20
36601 Mobile, AL <1 mi N/A 0
36628 Mobile, AL <1 mi N/A 0
36644 Mobile, AL <1 mi N/A 0
36652 Mobile, AL <1 mi N/A 4
36663 Mobile, AL <1 mi N/A 4
36675 Mobile, AL <1 mi N/A 0
36691 Mobile, AL <1 mi N/A 0
36604 Mobile, AL 1.0 mi A 4
36625 Mobile, AL 1.3 mi N/A 0

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2026 Rankings

ZIP 36603 scores in the top tier nationally.

Coverage: 15/17 risk factors Data sources →
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