CheckPFAS

City overview · Pima County

PFAS in Green Valley, AZ

High Risk

EPA UCMR 5 tested 6 public water systems serving the Green Valley area across 2 ZIP codes. At least one utility serving Green Valley has PFAS above the EPA's enforceable limit.

Water systems tested
6
Systems above EPA limits
1
ZIP codes covered
2
County
Pima County, Arizona

Plain English

01What this means for Green Valley

Across the 6 public water systems tested in the Green Valley area under EPA UCMR 5, one or more measured a PFAS compound above the federal Maximum Contaminant Level. Contamination varies by utility and neighborhood — find your exact ZIP code below to see the system that serves you. If you're in an affected area, an NSF/ANSI 53 or 58 certified filter (carbon block or reverse osmosis) is the most reliable way to reduce PFAS at the tap.

By utility

02Water systems serving Green Valley

  1. FARMERS WATER CO SANTA RITA SPRINGS

    4 detected · 1 above limit · PWSID AZ0410213

    High Risk
  2. COMMUNITY WC OF GREEN VALLEY

    1 detected · 0 above limit · PWSID AZ0410004

    Low Level
  3. FARMERS WATER CO CONTINENTAL

    1 detected · 0 above limit · PWSID AZ0410049

    Low Level
  4. LAS QUINTAS SERENAS WATER COMPANY

    1 detected · 0 above limit · PWSID AZ0410064

    Low Level
  5. QUAIL CREEK WATER COMPANY

    1 detected · 0 above limit · PWSID AZ0410262

    Low Level
  6. GREEN VALLEY DWID

    1 detected · 0 above limit · PWSID AZ0410157

    Low Level

By ZIP code

03Find your exact result

Contamination can differ block to block. Select your ZIP code for the precise reading at the utility that serves your address.

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
6 utilities across 2 ZIP codes
Detection threshold (MRL)
~1.5–2 ppt

City-level figures aggregate the individual public water systems tested under EPA UCMR 5 whose service area falls within the Green Valley area. Values reflect water quality at the treatment plant; your home's plumbing can affect what reaches your tap. Select your ZIP above for the utility-specific reading.