WaterVerge

Is Hooker, OK Tap Water Safe to Drink?

Graded A-, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: OK2007006
Overall Score
85.7 / 100
Violations
7 active
Last Updated
May 2026
Source
Groundwater
#43 of 358 in Oklahoma Top 33% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.7/100
waterverge.com
A- 85.7/100

Hooker, OK — Water Quality Report

Hooker's drinking water received a grade of A- (85.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,788 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 58 violations on record, including 0 health-based violations. 7 remain unresolved.

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

What to know about Hooker's water

Hooker ranks #43 out of 358 cities in Oklahoma for water quality, placing it above average in the state.

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

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 →
85.7 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
35.7/45
B
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 Hooker, OK water safe to drink?

Concerns Identified

Hooker's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,788 residents using groundwater (wells).

7
Active Violations
0.0 ppb
Lead (90th %ile)
1 event
Disaster History

Recent water quality updates for Hooker

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hooker's water quality assessment. Grade: A- (85.7/100).

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
3 drinking water violations recorded

Contaminants: Consumer Confidence Rule, TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

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 Hooker's water supply.

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

Well within EPA limits.

Violation history

Hooker's water system has 58 total violations on record, including 0 health-based violations. 7 remain unresolved. 9 violations were issued in the last 5 years.

MROther
Most recent violations:
Jan 2024 TTHM Resolved
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Oct 2022 Consumer Confidence Rule Open
Oct 2022 TTHM Resolved
Oct 2022 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Texas 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 Hooker's water come from?

Hooker's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,788 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Hooker residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hooker'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

58
Total violations
0
Health-based
7
Active / unresolved
Jan 2024
Most recent violation
Compliance Record

Violations & advisories

58 Total
7 Active
0 Health-based
51 Resolved
2 SNC
Violations by category
Volatile Organic Chemicals
21
Total Coliform Rule
16
Stage 2 Disinfectants and Disinfection Byproducts Rule
6
Radionuclides and Revised Rad Rule
4
Consumer Confidence Rule
3
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Aug 2022 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Sep 2015 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2024 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Oct 2022 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Oct 2022 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Apr 2021 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2021
Jan 2021 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Oct 2020 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2021
Oct 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2021
Jan 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2020
Jan 2018 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Oct 2015 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Showing 20 of 58 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Texas 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.

8
Weeks at D2+ (current streak)
24.0%
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

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Texas 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) 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
1,788
Water Systems
1
Water Source

Where Hooker's water comes from

Groundwater

Hooker'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 1,788 people through 1 water system.

Infrastructure

Water systems serving Hooker

System Name PWSID Population Source
HOOKER OK2007006 1,788 GW
Regional Comparison

How Hooker compares

Full Oklahoma rankings →

Hooker's score of 85.7/100 is above the average of 45/100 among major Oklahoma cities. It outscores 10 of 10 nearby cities.

Hooker (this city)
85.7
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Hooker, OK

Wikipedia →

Hooker is a city in Texas County, Oklahoma, United States. As of the 2020 census, the city’s population was 1,802. It is located approximately 20 miles northeast of Guymon on US Route 54 highway.

Economic Profile
$48,906
Median Income
$130,596
Median Home Value
$856/mo
Median Rent
4.3%
Unemployment
Community
33.9
Median Age
545
People / sq mi
33%
College Educated
68.6%
Homeownership
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Frequently asked questions

Is Hooker, OK tap water safe to drink?

Hooker's water quality earned a grade of A- (85.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #43 out of 358 cities tested in Oklahoma.

What contaminants are in Hooker's water?

Lead was measured at 0.0 ppb (90th percentile). 58 violations are on record.

How is Hooker'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 Hooker?

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

Where does Hooker's water come from?

Hooker's water is sourced from Groundwater. The city has 1 water system serving approximately 1,788 residents.

Is Hooker's groundwater at risk of contamination?

Hooker 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 58 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 Hooker's water compare to other cities?

Hooker ranks #43 out of 358 cities in Oklahoma (better than 88% of state cities) and #5165 out of 15744 cities nationally (67th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Hooker's small water system affect quality?

Hooker's system serves approximately 1,788 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 58 violations on record.