Marana
AZ

Is Marana, AZ Tap Water Safe to Drink?

Marana tap water meets federal Safe Drinking Water Act standards but 2 of 2 ZIP codes show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.

2Water systems
2ZIP codes
100%ZIPs above EPA guideline
Metro areaPhoenix-Mesa-Chandler, AZ
Latest data2025-11-04

Where Does Marana Get Its Water?

Water in Marana, AZ is provided by 2 public water systems: MARANA MUNICIPAL - MARANA and TUCSON CITY OF.

How Is Marana Tap Water Treated?

Treated water is disinfected using free chlorine. Treatment includes groundwater disinfection.

What's in Marana Tap Water?

The following contaminants were detected most frequently in Marana public water systems. 2 of 2 ZIP codes showed detections above EPA health guidelines.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 63.7 µg/L 10 µg/L 2 ZIPs Above guideline
PFHxS 0.0207 µg/L — 1 ZIP Within guideline
PFOS 0.0178 µg/L — 1 ZIP Within guideline
PFTrDA 0.007 µg/L — 0 ZIPs Within guideline
PFOA 0.0063 µg/L — 1 ZIP Within guideline

Health Risk Profile for Marana

Based on EPA monitoring data, 2 of 2 ZIP codes in Marana have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.

Best Broad-Spectrum Filters for This Water Profile

This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.

Waterdrop G3P600 Reverse Osmosis System
Under-sink RO system

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about Marana Tap Water

Is Marana tap water safe to drink?

Marana tap water meets Safe Drinking Water Act requirements but 2 of 2 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.

What contaminants are in Marana tap water?

The most commonly detected contaminants in Marana water systems include: lithium, PFHxS, PFOS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Marana get its drinking water?

Marana receives water from 2 public water systems, including MARANA MUNICIPAL - MARANA.

Do I need a water filter in Marana?

If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.

How often is Marana tap water tested?

Public water systems in Marana are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-11-04.

Tap water reports by ZIP in Marana

Water utilities serving Marana, AZ

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline. Outlines appear when service-area boundary data is available for this ZIP.

Also covers / overlaps with