WaterVerge

Is Quinton, OK Tap Water Safe to Drink?

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

4K residents served 2 water systems PWSID: OK1020301
Overall Score
47 / 100
Violations
17 active
Last Updated
May 2026
Source
Surface water
#276 of 358 in Oklahoma Top 87% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
47/100
waterverge.com
D 47/100

Quinton, OK — Water Quality Report

Quinton's drinking water received a grade of D (47 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 4,071 residents using surface water.

Lead levels were measured at 3.4 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 99 violations on record, including 42 health-based violations. 17 remain unresolved.

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

What to know about Quinton's water

Quinton ranks #276 out of 358 cities in Oklahoma for water quality, placing it among the lowest-rated 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 41 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
47 out of 100 Grade D
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 3.4 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 Quinton, OK water safe to drink?

Concerns Identified

Quinton's drinking water has significant quality concerns based on EPA testing data. With a grade of D (47/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 4,071 residents using surface water (rivers, lakes, or reservoirs).

17
Active Violations
3.4 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Quinton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Quinton's water quality assessment. Grade: D (47/100).

Violation
1 drinking water violation recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: CARBON, TOTAL.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Disaster
SEVERE STORMS, TORNADOES, AND FLOODING

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

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 Quinton's water supply.

Lead Within Limits
Detected: 3.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Quinton's water system has 99 total violations on record, including 42 health-based violations. 17 remain unresolved. 41 violations were issued in the last 5 years.

MRTTMONMCLRPTOther
Most recent violations:
Nov 2025 Interim Enhanced Surface Water Treatment Rule Resolved
Oct 2025 CARBON, TOTAL Resolved
Sep 2025 Total Haloacetic Acids (HAA5) Open
Sep 2025 TTHM Open
Aug 2025 Revised Total Coliform Rule Resolved

Flood & environmental risk

Pittsburg County has experienced 5 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 Canadian River Near Whitefield.

SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-1754
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219
SEVERE STORMS & FLOODING
Flood FEMA DR-441

Where does Quinton's water come from?

Quinton's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 4,071 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Canadian River Near Whitefield (river).

What Quinton residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Quinton'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
3.4 ppb
EPA Action Level: 15 ppb · 23% of limit
Safe Level
Compliance Record

Violation summary

99
Total violations
42
Health-based
17
Active / unresolved
Nov 2025
Most recent violation
Compliance Record

Violations & advisories

99 Total
17 Active
42 Health-based
82 Resolved
Violations by category
Total Coliform Rule
34
Stage 2 Disinfectants and Disinfection Byproducts Rule
21
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
13
Stage 1 Disinfectants and Disinfection Byproducts Rule
13
Lead and Copper Rule Revisions
4
Sep 2025 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2025 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2025 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2025 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2024 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2024 Active
TTHM
Monitoring & Reporting
Monitoring & 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
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
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2008 Active
Consumer Confidence Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Nov 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2025
Oct 2025 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Dec 2025
Aug 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2025
Showing 20 of 99 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Haskell 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.

8.0%
Months in D2+ (last 30y)
3
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

5
Declared disasters
May 2008
Most recent
Flood
Most common type

Pittsburg County has experienced 5 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2008
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #1754
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #441
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) 3.4 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 3.4 ppb from 1993 (0.0 ppb) to 2025 (3.4 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
4,071
Water Systems
2
Source breakdown
Surface Water
1
Purchased Surface Water
1
Water Source

Where Quinton's water comes from

Surface Water

Quinton'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 4,071 people through 2 water systems.

Local Hydrology

Water bodies near Quinton

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

Canadian River Near Whitefield
river
Infrastructure

Water systems serving Quinton

System Name PWSID Population Source
HASKELL CO. WATER COMPANY OK1020301 3,000 SW
QUINTON OK3006123 1,071 SWP
Regional Comparison

How Quinton compares

Full Oklahoma rankings →

Quinton's score of 47/100 is on par with the average of 45/100 among major Oklahoma cities. It outscores 8 of 10 nearby cities.

Quinton (this city)
47
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Quinton, OK

Wikipedia →

Quinton is a town in Pittsburg County, Oklahoma, United States. As of the 2020 census, Quinton had a population of 863. The town was named for Elizabeth Quinton, who lived to be 116 years old. Her family still resides in and around the town of Quinton. Web address https://townofquinton.com/

Economic Profile
$28,864
Median Income
$75,193
Median Home Value
$633/mo
Median Rent
11%
Unemployment
Community
31
Median Age
383
People / sq mi
7.6%
College Educated
60.2%
Homeownership
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Frequently asked questions

Is Quinton, OK tap water safe to drink?

Quinton's water quality earned a grade of D (47/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #276 out of 358 cities tested in Oklahoma.

What contaminants are in Quinton's water?

Lead was measured at 3.4 ppb (90th percentile). 99 violations are on record.

How is Quinton'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 Quinton?

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

Where does Quinton's water come from?

Quinton's water is sourced from Surface water. The city has 2 water systems serving approximately 4,071 residents.

What health violations has Quinton's water system had?

Quinton has 42 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. 17 violations remain unresolved.

How does Quinton's water compare to other cities?

Quinton ranks #276 out of 358 cities in Oklahoma (better than 23% of state cities) and #13713 out of 15744 cities nationally (13th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.