WaterVerge

Is Mutual, OK Tap Water Safe to Drink?

Graded C+, with 27 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

755 residents served 1 water system PWSID: OK2007707
Overall Score
66.3 / 100
Violations
27 active
Last Updated
May 2026
Source
Groundwater
#134 of 358 in Oklahoma Top 72% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
66.3/100
waterverge.com
C+ 66.3/100

Mutual, OK — Water Quality Report

Mutual's drinking water received a grade of C+ (66.3 out of 100), indicating fair water quality. The city's 1 water system serves approximately 755 residents using groundwater.

Lead levels were measured at 1.0 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 72 violations on record, including 6 health-based violations. 27 remain unresolved.

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

What to know about Mutual's water

Mutual ranks #134 out of 358 cities in Oklahoma for water quality, placing it mid-range in the state.

Mutual relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

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

The system has seen 14 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
66.3 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
19.3/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Mutual, OK water safe to drink?

Concerns Identified

Mutual's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (66.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 755 residents using groundwater (wells).

27
Active Violations
1.0 ppb
Lead (90th %ile)
1 event
Disaster History

Recent water quality updates for Mutual

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Mutual's water quality assessment. Grade: C+ (66.3/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3219). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Mutual's water system has 72 total violations on record, including 6 health-based violations. 27 remain unresolved. 14 violations were issued in the last 5 years.

OtherMRRPTTTMONMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Jan 2025 TTHM Resolved
Jan 2025 Total Haloacetic Acids (HAA5) Resolved
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Woodward County has experienced 1 federally declared disaster since 2005. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219

Where does Mutual's water come from?

Mutual's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 755 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Mutual residents can do

Install a water filter

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

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
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

72
Total violations
6
Health-based
27
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

72 Total
27 Active
6 Health-based
45 Resolved
16 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
20
Total Coliform Rule
12
Consumer Confidence Rule
10
Lead and Copper Rule
8
Public Notice Rule and Revised PN Rule
7
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Oct 2020 Active
Consumer Confidence Rule
Other Violation 0
Dec 2019 Active
Consumer Confidence Rule
Other Violation 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jun 2017 Active
Public Notice
Other Violation 0
Jan 2017 Active
Public Notice
Other Violation 0
Jan 2017 Active
Public Notice
Other Violation 0
Jan 2017 Active
Public Notice
Other Violation 0
Jan 2017 Active
Public Notice
Other Violation 0
Oct 2016 Active
Public Notice
Other Violation 0
Oct 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Aug 2015 Active
Public Notice
Other Violation 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 72 violations
Industrial pollution

Top industrial polluters within 10 miles of Mutual

Industrial polluters nearby

Reported releases to surface water by facilities near Mutual, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
IOCHEM CORP
Chemicals · TOYOTA TSUSHO AMERICA INC
VICI, OK73859
6.0 mi
REDCLIFF PLANT
Natural Gas Processing · ENLINK MIDSTREAM OPERATING LP
MUTUAL, OK73853
1.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Woodward County is currently in D3 (extreme 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)
18.1%
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

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Woodward County has experienced 1 federally declared disaster since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 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 increased by 1.0 ppb from 1993 (0.0 ppb) to 2025 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
755
Water Systems
1
Water Source

Where Mutual's water comes from

Groundwater

Mutual's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 755 people through 1 water system.

Infrastructure

Water systems serving Mutual

System Name PWSID Population Source
DEWEY CO RWD #3 OK2007707 755 GW
Regional Comparison

How Mutual compares

Full Oklahoma rankings →

Mutual's score of 66.3/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Mutual (this city)
66.3
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Mutual, OK

Economic Profile
$29,375
Median Income
0%
Unemployment
Community
49.4
Median Age
58
People / sq mi
19%
College Educated
44.4%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Mutual, OK tap water safe to drink?

Mutual's water quality earned a grade of C+ (66.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #134 out of 358 cities tested in Oklahoma.

What contaminants are in Mutual's water?

Lead was measured at 1.0 ppb (90th percentile). 72 violations are on record.

How is Mutual'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 Mutual?

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

Where does Mutual's water come from?

Mutual's water is sourced from Groundwater. The city has 1 water system serving approximately 755 residents.

What health violations has Mutual's water system had?

Mutual has 6 health-based violations 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. 27 violations remain unresolved.

Is Mutual's groundwater at risk of contamination?

Mutual uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 72 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Mutual's water compare to other cities?

Mutual ranks #134 out of 358 cities in Oklahoma (better than 63% of state cities) and #11391 out of 15744 cities nationally (28th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Mutual's small water system affect quality?

Mutual's system serves approximately 755 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 72 violations on record.