WaterVerge

Is Muldrow, OK Tap Water Safe to Drink?

Graded C, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

6K residents served 3 water systems PWSID: OK1020208
Overall Score
62.6 / 100
Violations
9 active
Last Updated
May 2026
Source
Surface water
#145 of 358 in Oklahoma Top 75% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
CGRADE
Water Quality Grade
62.6/100
waterverge.com
C 62.6/100

Muldrow, OK — Water Quality Report

Muldrow's drinking water received a grade of C (62.6 out of 100), indicating fair water quality. The city's 3 water systems serve approximately 6,302 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 77 violations on record, including 39 health-based violations. 9 remain unresolved.

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

What to know about Muldrow's water

Muldrow ranks #145 out of 358 cities in Oklahoma for water quality, placing it mid-range 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.

The system has seen 9 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
62.6 out of 100 Grade C
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
13.6/45
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 Muldrow, OK water safe to drink?

Concerns Identified

Muldrow's drinking water has significant quality concerns based on EPA testing data. With a grade of C (62.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 6,302 residents using surface water (rivers, lakes, or reservoirs).

9
Active Violations
0.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Muldrow

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Muldrow's water quality assessment. Grade: C (62.6/100).

Violation
2 drinking water violations recorded

Contaminants: Revised Total Coliform Rule, Chlorine.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Interim Enhanced Surface Water Treatment Rule.

Disaster
FLOODING

Federal disaster declaration (FEMA DR-3411). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-1754). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Muldrow's water system has 77 total violations on record, including 39 health-based violations. 9 remain unresolved. 9 violations were issued in the last 5 years.

MONMRTTRPTMCLOther
Most recent violations:
Nov 2025 Revised Total Coliform Rule Resolved
Nov 2025 Chlorine Resolved
Oct 2025 TTHM Resolved
Oct 2025 Total Haloacetic Acids (HAA5) Resolved
Jun 2025 Interim Enhanced Surface Water Treatment Rule Resolved

Flood & environmental risk

Sequoyah County has experienced 6 federally declared disasters since 1972. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Lee Creek Near Short.

FLOODING
Flood FEMA DR-3411
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-1754
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219

Where does Muldrow's water come from?

Muldrow's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 6,302 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Lee Creek Near Short (river).

What Muldrow residents can do

Install a water filter

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

Muldrow'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

77
Total violations
39
Health-based
9
Active / unresolved
Nov 2025
Most recent violation
Compliance Record

Violations & advisories

77 Total
9 Active
39 Health-based
68 Resolved
6 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
26
Total Coliform Rule
20
Stage 2 Disinfectants and Disinfection Byproducts Rule
14
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
4
Lead and Copper Rule Revisions
4
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 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
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Nov 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2025
Nov 2025 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2025
Oct 2025 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Oct 2025 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Jun 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jun 2025
Jul 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Apr 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Jun 2018
Jan 2018 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Mar 2018
Jan 2018 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Mar 2018
Oct 2017 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Dec 2017
Oct 2017 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Dec 2017
Showing 20 of 77 violations
Industrial pollution

Top industrial polluters within 10 miles of Muldrow

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
OK FOODS - MULDROW
Food · OK FOODS INC
MULDROW, OK74948
0.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Sequoyah County is currently in D1 (moderate 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.

5.9%
Months in D2+ (last 30y)
8
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
May 2019
Most recent
Flood
Most common type

Sequoyah County has experienced 6 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2019
FLOODING
Flood FEMA #3411
May 2008
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #1754
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219
Oct 1986
SEVERE STORMS & FLOODING
Flood FEMA #778
Dec 1973
SEVERE STORMS & FLOODING
Flood FEMA #409
Jan 1972
SEVERE STORMS & FLOODING
Flood FEMA #317

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 1993 (0.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
6,302
Water Systems
3
Source breakdown
Purchased Surface Water
2
Surface Water
1
Water Source

Where Muldrow's water comes from

Surface Water

Muldrow'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 6,302 people through 3 water systems.

Local Hydrology

Water bodies near Muldrow

Muldrow is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Lee Creek Near Short
river
Infrastructure

Water systems serving Muldrow

System Name PWSID Population Source
MULDROW PWA OK1020208 3,104 SW
SEQUOYAH CO. RWD #7 OK3006806 2,948 SWP
LEE CREEK RWD OK3006820 250 SWP
Regional Comparison

How Muldrow compares

Full Oklahoma rankings →

Muldrow's score of 62.6/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Muldrow (this city)
62.6
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Muldrow, OK

Wikipedia →

Muldrow, officially the Town of Muldrow, is a town in Sequoyah County, Oklahoma, United States. It is part of the Fort Smith, Arkansas–Oklahoma Metropolitan Statistical Area. As of the 2020 census, Muldrow had a population of 3,272.

Economic Profile
$45,982
Median Income
$94,156
Median Home Value
$753/mo
Median Rent
4.5%
Unemployment
Community
37.8
Median Age
300
People / sq mi
13.9%
College Educated
69.4%
Homeownership
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Frequently asked questions

Is Muldrow, OK tap water safe to drink?

Muldrow's water quality earned a grade of C (62.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #145 out of 358 cities tested in Oklahoma.

What contaminants are in Muldrow's water?

Lead was measured at 0.0 ppb (90th percentile). 77 violations are on record.

How is Muldrow'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 Muldrow?

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

Where does Muldrow's water come from?

Muldrow's water is sourced from Surface water. The city has 3 water systems serving approximately 6,302 residents.

What health violations has Muldrow's water system had?

Muldrow has 39 health-based violations on record. The most recent violation was recorded in November 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

How does Muldrow's water compare to other cities?

Muldrow ranks #145 out of 358 cities in Oklahoma (better than 59% of state cities) and #11861 out of 15744 cities nationally (25th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.