ZipCheckup grade for 85741: D.

Federal records show several conditions worth reviewing.

Your top priority: see the breakdown below and consider a certified water filter. Check your ZIP → NSF certified filters

Health Violations Found
D 42

Tucson, AZ (85741): PFAS Above 2029 MCL Level - 42/100

EPA data combined for 5 water systems mapped to this ZIP (largest mapped system: Metropolitan Dwid)

Health Violations Found PFAS Detected

Health-based violation records by water system:

EPA records for the water systems mapped to 85741 in Tucson, AZ contain 109 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 2 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
D 42/100
Water Quality PFAS above MCL 2 health-based violation records
Lead Risk Below action level 0.0006 mg/L, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 5 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 2 health-based violations and 107 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0006 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 2 - county-level radon potential, not a home measurement.
  • Flood 5 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
Contaminant Summary
Health Violations
109 violations 2 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
D
ZIP-level Home Safety model score: 42 / 100
Bottom 3% of U.S. ZIP codes
5
Water Systems
45,570
People Served
2
Health Violations (since 2021)Median is 0
Groundwater
Water Source
0.00057 mg/L
Reported Lead ResultBelow the national median of system results
Zone 2
County Radon Potential · Moderate
$269K
Median Home ValueState median: $287K

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 85741. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

Share Your Area Home Safety Score
Share on X Share on Facebook

Tip: You can also screenshot the card above to share it as an image.

See incorrect data? Let us know

Score Breakdown

Overall Home Safety Score: 42/100

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
0/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
0/100
Indoor environment
50/100
Outdoor environment
75/100

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 85741 in Tucson, Arizona is mapped to the water system Metropolitan Dwid (EPA ID: AZ0410076). This system provides water to approximately 45,570 people from groundwater sources.

There are 5 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Metropolitan Dwid AZ0410076 45,570 Groundwater
City of Tucson AZ0410112 732,906 Groundwater
Marana Municipal - Hartman Vistas AZ0410329 5,248 Groundwater
Siete Casas Joint Venture AZ0410242 25 Groundwater
Carolanne Drive Hoa AZ0420529 72 Groundwater

Other Water Quality Reports in Arizona

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 Metropolitan Dwid (AZ0410076) on EPA.gov.

2 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 1 2022 2023 2024 1 2025
Health-based (MCL/TT) Other violations

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 85741. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.

Detected compounds: PFOS, PFHxS, PFBA, PFBS.

Highest measured level: 0.023 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) CRITICAL
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 Tucson

Based on local data for ZIP 85741, 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 Tucson has 5 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 85741 was built around 1983. 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 Tucson is 1983; 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

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 85741 safe to drink?

EPA SDWIS records 109 violations since 2021 across the water systems mapped to ZIP 85741 (primary system: Metropolitan Dwid), including 2 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 85741's water come from?

The recorded water source for Metropolitan Dwid, a system mapped to ZIP code 85741, is Groundwater. This system serves approximately 45,570 people.

How does Tucson water compare to the national average?

Tucson's Home Safety Score ranks lower than 97% of U.S. ZIP codes, and lower than 100% of ZIP codes within Arizona.

How can I get my water tested in Tucson?

If Metropolitan Dwid 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 85741 tap water?

The Lead and Copper Rule record selected for 85741 reports a 90th-percentile lead result of 0.00057 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 85741?

85741 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Pima 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 85741's water?

Yes, PFAS have been detected in samples from water systems mapped to 85741. 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 85741?

FEMA records contain 5 flood insurance claims filed in ZIP code 85741; the recorded rated-zone value (the most frequent one if there are several claims) is A, 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). Tucson, AZ (85741): PFAS Above 2029 MCL Level - 42/100. https://zipcheckup.com/report/85741/
BibTeX 
@misc{zipcheckup-report-85741,
  author = {{ZipCheckup}},
  title  = {{Tucson, AZ (85741): PFAS Above 2029 MCL Level - 42/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/85741/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 85741

ZIP Code City, State Distance Grade Violations
85704 Tucson, AZ 3.4 mi C 129
85742 Tucson, AZ 4.4 mi D 101
85705 Tucson, AZ 6.4 mi D 109
85755 Tucson, AZ 6.5 mi C 41
85652 Cortaro, AZ 6.5 mi N/A 0
85737 Tucson, AZ 7.2 mi C 76
85745 Tucson, AZ 7.3 mi C 96
85718 Tucson, AZ 7.7 mi C 100
85743 Tucson, AZ 7.9 mi D 44
85654 Rillito, AZ 8.1 mi N/A 2

Contaminants Detected in 85741

Learn more about the contaminants found in your water supply:

Overall safety breakdown

Home Safety Score →

Find the right water filter

Water Filter Matcher →

Compare filters, tests & services

Compare My Options →

Compare with another ZIP

Compare Tool →
Coverage: 14/17 risk factors Data sources →
Get alerts for 85741