WaterVerge

Is Keota, OK Tap Water Safe to Drink?

Graded D, with 11 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

564 residents served 1 water system PWSID: OK3003112
Overall Score
49 / 100
Violations
11 active
Last Updated
May 2026
Source
Purchased surface water
#249 of 358 in Oklahoma Top 85% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
49/100
waterverge.com
D 49/100

Keota, OK — Water Quality Report

Keota's drinking water received a grade of D (49 out of 100), indicating poor water quality. The city's 1 water system serves approximately 564 residents using purchased 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 83 violations on record, including 50 health-based violations. 11 remain unresolved.

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

What to know about Keota's water

Keota ranks #249 out of 358 cities in Oklahoma for water quality, placing it below average 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.

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

The system has seen 54 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
49 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
4/5
B
Water source: Purchased surface water.
Water Safety

Is Keota, OK water safe to drink?

Concerns Identified

Keota's drinking water has significant quality concerns based on EPA testing data. With a grade of D (49/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 564 residents using surface water (rivers, lakes, or reservoirs).

11
Active Violations
0.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Keota

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Keota's water quality assessment. Grade: D (49/100).

Violation
3 drinking water violations recorded

3 health-based. Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
3 drinking water violations recorded

3 health-based. Contaminants: Total Haloacetic Acids (HAA5), TTHM.

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 Keota's water supply.

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

Well within EPA limits.

Violation history

Keota's water system has 83 total violations on record, including 50 health-based violations. 11 remain unresolved. 54 violations were issued in the last 5 years.

MCLMRMONRPTTTOther
Most recent violations:
Oct 2025 Total Haloacetic Acids (HAA5) Resolved
Oct 2025 TTHM Resolved
Oct 2025 TTHM Resolved
Sep 2025 Total Haloacetic Acids (HAA5) Open
Sep 2025 TTHM Open

Flood & environmental risk

Haskell County has experienced 7 federally declared disasters since 1968. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

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

Where does Keota's water come from?

Keota's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 564 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Keota residents can do

Install a water filter

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

Keota'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

83
Total violations
50
Health-based
11
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

83 Total
11 Active
50 Health-based
72 Resolved
11 SNC
Violations by category
Stage 2 Disinfectants and Disinfection Byproducts Rule
59
Total Coliform Rule
14
Lead and Copper Rule
3
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
Lead and Copper Rule Revisions
2
Sep 2025 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2025 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 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
Sep 2024 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2024 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2022 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Oct 2025 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Dec 2025
Oct 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2025
Oct 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2025
Jul 2025 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2025
Jul 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2025
Jul 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2025
Apr 2025 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2025
Apr 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2025
Apr 2025 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2025
Showing 20 of 83 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

7
Declared disasters
May 2019
Most recent
Flood
Most common type

Haskell County has experienced 7 federally declared disasters since 1968. 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 2027 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
564
Water Systems
1
Water Source

Where Keota's water comes from

Purchased Surface Water

Keota'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 564 people through 1 water system.

Infrastructure

Water systems serving Keota

System Name PWSID Population Source
KEOTA PWA OK3003112 564 SWP
Regional Comparison

How Keota compares

Full Oklahoma rankings →

Keota's score of 49/100 is on par with the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Keota (this city)
49
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Keota, OK

Wikipedia →

Keota is a town in southeastern Haskell County, Oklahoma, United States. The population was 438 at the 2020 census, a 22.3 percent decrease over the figure of 564 recorded in 2010.

Economic Profile
$38,472
Median Income
$48,266
Median Home Value
$532/mo
Median Rent
0%
Unemployment
Community
39.6
Median Age
483
People / sq mi
11.8%
College Educated
68.8%
Homeownership
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Frequently asked questions

Is Keota, OK tap water safe to drink?

Keota's water quality earned a grade of D (49/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #249 out of 358 cities tested in Oklahoma.

What contaminants are in Keota's water?

Lead was measured at 0.0 ppb (90th percentile). 83 violations are on record.

How is Keota'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 Keota?

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

Where does Keota's water come from?

Keota's water is sourced from Purchased surface water. The city has 1 water system serving approximately 564 residents.

What health violations has Keota's water system had?

Keota has 50 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. 11 violations remain unresolved.

How does Keota's water compare to other cities?

Keota ranks #249 out of 358 cities in Oklahoma (better than 30% of state cities) and #13385 out of 15744 cities nationally (15th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Keota's small water system affect quality?

Keota's system serves approximately 564 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 83 violations on record.