WaterVerge

Is Hinton, OK Tap Water Safe to Drink?

Graded D+, with 32 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 2 water systems PWSID: OK2000809
Overall Score
50 / 100
Violations
32 active
Last Updated
May 2026
Source
Groundwater
#218 of 358 in Oklahoma Top 83% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
50/100
waterverge.com
D+ 50/100

Hinton, OK — Water Quality Report

Hinton's drinking water received a grade of D+ (50 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 2,709 residents using groundwater.

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 267 violations on record, including 47 health-based violations. 32 remain unresolved.

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

What to know about Hinton's water

Hinton ranks #218 out of 358 cities in Oklahoma for water quality, placing it below average in the state.

Hinton 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, Hinton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 12 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
50 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
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
5/5
A
Water source: Groundwater.
Water Safety

Is Hinton, OK water safe to drink?

Concerns Identified

Hinton's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (50/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,709 residents using groundwater (wells).

32
Active Violations
0.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Hinton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hinton's water quality assessment. Grade: D+ (50/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
4 drinking water violations recorded

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

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4274). 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 Hinton's water supply.

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

Well within EPA limits.

Violation history

Hinton's water system has 267 total violations on record, including 47 health-based violations. 32 remain unresolved. 12 violations were issued in the last 5 years.

MRTTRPTOtherMCL
Most recent violations:
Oct 2025 Lead and Copper Rule Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Caddo County has experienced 7 federally declared disasters since 1982. 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 At Bridgeport.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4274
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-1754
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219

Where does Hinton's water come from?

Hinton's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,709 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Canadian River At Bridgeport (river).

What Hinton residents can do

Install a water filter

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

Hinton'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

267
Total violations
47
Health-based
32
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

267 Total
32 Active
47 Health-based
235 Resolved
2 SNC
Violations by category
Volatile Organic Chemicals
84
Total Coliform Rule
52
Arsenic Rule
34
Radionuclides and Revised Rad Rule
34
Inorganic Chemicals
21
Oct 2025 Active
Lead and Copper Rule
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
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Oct 2023 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
Apr 2018 Active
Public Notice
Other Violation 0
Feb 2017 Active
Public Notice
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Jul 2009 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Showing 20 of 267 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Caddo 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.

14
Weeks at D2+ (current streak)
17.5%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

7
Declared disasters
Jul 2016
Most recent
Flood
Most common type

Caddo County has experienced 7 federally declared disasters since 1982. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4274
May 2008
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #1754
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219
Jul 1987
SEVERE STORMS & FLOODING
Flood FEMA #794
Oct 1986
SEVERE STORMS & FLOODING
Flood FEMA #778
Oct 1983
SEVERE STORMS & FLOODING
Flood FEMA #693

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
Groundwater
Operator
Local Government
Population Served
2,709
Water Systems
2
Water Source

Where Hinton's water comes from

Groundwater

Hinton'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 2,709 people through 2 water systems.

Local Hydrology

Water bodies near Hinton

Hinton is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Canadian River At Bridgeport
river
Infrastructure

Water systems serving Hinton

System Name PWSID Population Source
HINTON OK2000809 2,600 GW
BRIDGEPORT OK2000804 109 GW
Regional Comparison

How Hinton compares

Full Oklahoma rankings →

Hinton's score of 50/100 is on par with the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Hinton (this city)
50
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Hinton, OK

Wikipedia →

Hinton is a town in Caddo County, Oklahoma, United States. As of the 2020 census, Hinton had a population of 4,917. It is approximately 50 miles (80 km) west of Oklahoma City.

Economic Profile
$58,491
Median Income
$148,457
Median Home Value
$827/mo
Median Rent
3.6%
Unemployment
Community
35.7
Median Age
392
People / sq mi
15.4%
College Educated
64.7%
Homeownership
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Frequently asked questions

Is Hinton, OK tap water safe to drink?

Hinton's water quality earned a grade of D+ (50/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #218 out of 358 cities tested in Oklahoma.

What contaminants are in Hinton's water?

Lead was measured at 0.0 ppb (90th percentile). 267 violations are on record.

How is Hinton'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 Hinton?

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

Where does Hinton's water come from?

Hinton's water is sourced from Groundwater. The city has 2 water systems serving approximately 2,709 residents.

What health violations has Hinton's water system had?

Hinton has 47 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 32 violations remain unresolved.

Is Hinton's groundwater at risk of contamination?

Hinton 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 267 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 Hinton's water compare to other cities?

Hinton ranks #218 out of 358 cities in Oklahoma (better than 39% of state cities) and #13097 out of 15744 cities nationally (17th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.