WaterVerge

Is Fredonia, AZ Tap Water Safe to Drink?

Graded C-, with 17 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: AZ0403009
Overall Score
55.1 / 100
Violations
17 active
Last Updated
May 2026
Source
Surface water
#173 of 292 in Arizona Top 80% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C-GRADE
Water Quality Grade
55.1/100
waterverge.com
C- 55.1/100

Fredonia, AZ — Water Quality Report

Fredonia's drinking water received a grade of C- (55.1 out of 100), indicating poor water quality. The city's 1 water system serves approximately 1,327 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 290 violations on record, including 1 health-based violation. 17 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Fredonia's water

Fredonia ranks #173 out of 292 cities in Arizona for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

As a small community water system, Fredonia may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 30 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
55.1 out of 100 Grade C-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
6.1/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Fredonia, AZ water safe to drink?

Concerns Identified

Fredonia's drinking water has significant quality concerns based on EPA testing data. With a grade of C- (55.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,327 residents using surface water (rivers, lakes, or reservoirs).

17
Active Violations
0.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Fredonia

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Fredonia's water quality assessment. Grade: C- (55.1/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
2 drinking water violations recorded

Contaminants: Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule.

Violation
2 drinking water violations recorded

Contaminants: Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4620). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3241). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Fredonia's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Fredonia's water system has 290 total violations on record, including 1 health-based violation. 17 remain unresolved. 30 violations were issued in the last 5 years.

RPTMRMONOtherMCL
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Mar 2025 Surface Water Treatment Rule Resolved
Mar 2025 Interim Enhanced Surface Water Treatment Rule Resolved
Feb 2025 Surface Water Treatment Rule Resolved
Feb 2025 Interim Enhanced Surface Water Treatment Rule Resolved

Flood & environmental risk

Coconino County has experienced 6 federally declared disasters since 1970. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4620
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3241
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA DR-977

Where does Fredonia's water come from?

Fredonia's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 1,327 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Fredonia residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Fredonia's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Fredonia's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

290
Total violations
1
Health-based
17
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

290 Total
17 Active
1 Health-based
273 Resolved
10 SNC
Violations by category
Inorganic Chemicals
69
Volatile Organic Chemicals
58
Synthetic Organic Chemicals
38
Stage 1 Disinfectants and Disinfection Byproducts Rule
28
Surface Water Treatment Rule
18
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jun 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting 0
Feb 2017 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Oct 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Oct 2003 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Oct 2002 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Mar 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2025
Mar 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2025
Feb 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2025
Showing 20 of 290 violations
Environmental Risk

Drought conditions

D2 — severe drought

Coconino County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

7
Weeks at D2+ (current streak)
54.9%
Months in D2+ (last 30y)
7
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

6
Declared disasters
Sep 2021
Most recent
Flood
Most common type

Coconino County has experienced 6 federally declared disasters since 1970. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2021
SEVERE STORMS AND FLOODING
Flood FEMA #4620
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3241
Jan 1993
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA #977
Dec 1990
SEVERE STORMS & FLOODING
Flood FEMA #884
Mar 1978
SEVERE STORMS & FLOODING
Flood FEMA #551
Sep 1970
HEAVY RAINS & FLASH
Flood FEMA #294

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.0 ppb from 2004 (0.0 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
1,327
Water Systems
1
Water Source

Where Fredonia's water comes from

Surface Water

Fredonia's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 1,327 people through 1 water system.

Infrastructure

Water systems serving Fredonia

System Name PWSID Population Source
FREDONIA TOWN OF AZ0403009 1,327 SW
Regional Comparison

How Fredonia compares

Full Arizona rankings →

Fredonia's score of 55.1/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.

Fredonia (this city)
55.1
Phoenix
37.5
Tucson
38.1
Mesa
40.6
Chandler
40.5
Gilbert
34.8
Arizona avg
42
City Profile

About Fredonia, AZ

Wikipedia →

Fredonia is a town in Coconino County, Arizona, United States. As of the 2020 census, Fredonia had a population of 1,323. Fredonia is the gateway to the North Rim of the Grand Canyon.

Economic Profile
$57,762
Median Income
$207,818
Median Home Value
$1,542/mo
Median Rent
2.7%
Unemployment
Community
45.6
Median Age
44
People / sq mi
12.2%
College Educated
84%
Homeownership
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Frequently asked questions

Is Fredonia, AZ tap water safe to drink?

Fredonia's water quality earned a grade of C- (55.1/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #173 out of 292 cities tested in Arizona.

What contaminants are in Fredonia's water?

Lead was measured at 0.0 ppb (90th percentile). 290 violations are on record.

How is Fredonia's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Fredonia?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Fredonia's water come from?

Fredonia's water is sourced from Surface water. The city has 1 water system serving approximately 1,327 residents.

What health violations has Fredonia's water system had?

Fredonia has 1 health-based violation on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 17 violations remain unresolved.

How does Fredonia's water compare to other cities?

Fredonia ranks #173 out of 292 cities in Arizona (better than 41% of state cities) and #12556 out of 15744 cities nationally (20th percentile). The grade of C- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Fredonia's small water system affect quality?

Fredonia's system serves approximately 1,327 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 290 violations on record.