Flagstaff, AZ
Contamination score
Higher = more contaminated vs. other cities.
Share this with friends & family you care about ❤️
Help someone you love know what's in their water — we'll email them Flagstaff's report. No sign-ups, no list.
Reported illness & cancer claims
No claims reported yet. Be the first to add one.
Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.
Self-reported issues
No issues reported yet. Be the first to report one.
Pollution sources & reported claims near your water
Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.
Get water alerts for Flagstaff, AZ
We'll email you when a new violation, lawsuit, or health report appears for Flagstaff's water. Free, unsubscribe anytime.

Public water systems
Flagstaff City Of
- PWSID:
- AZ0403008
- Source:
- Surface water
- Serves:
- 79,796 people
A1 Ranch Dwid
- PWSID:
- AZ0403087
- Source:
- Ground water
- Serves:
- 45 people
Ponderosa Utility Corp
- PWSID:
- AZ0403018
- Source:
- Ground water
- Serves:
- 1,585 people
Hidden Hollow Mhc
- PWSID:
- AZ0403362
- Source:
- Ground water
- Serves:
- 400 people
Mountain Dell Water Inc
- PWSID:
- AZ0403015
- Source:
- Ground water
- Serves:
- 250 people
Kachina Village Dwid
- PWSID:
- AZ0403013
- Source:
- Ground water
- Serves:
- 3,500 people
Cs West Village Water Company
- PWSID:
- AZ0403021
- Source:
- Ground water
- Serves:
- 210 people
Lockett Estates
- PWSID:
- AZ0403175
- Source:
- Ground water
- Serves:
- 30 people
Cs Flagstaff Ranch Water Company
- PWSID:
- AZ0403088
- Source:
- Ground water
- Serves:
- 350 people
Doney Park Water
- PWSID:
- AZ0403005
- Source:
- Ground water
- Serves:
- 8,996 people
Lake Mary Country Store
- PWSID:
- AZ0403067
- Source:
- Ground water
- Serves:
- 130 people
Forest Highlands Water Company
- PWSID:
- AZ0403073
- Source:
- Ground water
- Serves:
- 1,668 people
Heckethorn Water Company
- PWSID:
- AZ0403011
- Source:
- Ground water
- Serves:
- 90 people
EPA & DEP violations
Flagstaff City Of
PWSID AZ04030081 violationRevised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Jul 1, 2025 · 1 year ago · Source ↗
City-wide
19 violationsLead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Dec 27, 2025 · 7 months ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 18, 2025 · 9 months ago · Source ↗
Groundwater Rule — TT violation
high severityHealth-basedResolvedGroundwater Rule TT violation (Resolved).
EPA SDWIS · TT · Began Oct 5, 2025 · 10 months ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 2, 2025 · 10 months ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 2, 2025 · 10 months ago · Source ↗
Arsenic — MR violation
medium severityArchivedArsenic MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Aug 14, 2025 · 11 months ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Aug 7, 2025 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 26, 2025 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — RPT violation
medium severityResolvedLEAD AND COPPER RULE REVISIONS RPT violation (Resolved).
EPA SDWIS · RPT · Began Jul 2, 2025 · 1 year ago · Source ↗
Arsenic — MR violation
medium severityArchivedArsenic MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2025 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.