WaterVerge

Is Bokchito, OK Tap Water Safe to Drink?

Graded A, with 5 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: OK2000704
Overall Score
91.5 / 100
Violations
5 active
Last Updated
May 2026
Source
Groundwater
#10 of 358 in Oklahoma Top 11% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.5/100
waterverge.com
A 91.5/100

Bokchito, OK — Water Quality Report

Bokchito's drinking water received a grade of A (91.5 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 564 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 37 violations on record, including 4 health-based violations. 5 remain unresolved.

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

What to know about Bokchito's water

Bokchito ranks #10 out of 358 cities in Oklahoma for water quality, placing it one of the best in the state.

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

Quality Breakdown

Water quality score

See methodology →
91.5 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.5/45
A
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 Bokchito, OK water safe to drink?

Concerns Identified

Bokchito's drinking water has significant quality concerns based on EPA testing data. With a grade of A (91.5/100), 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 groundwater (wells).

5
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Bokchito

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bokchito's water quality assessment. Grade: A (91.5/100).

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Violation
5 drinking water violations recorded

Contaminants: Gross Alpha, Excl. Radon and U, Combined Uranium, Consumer Confidence Rule.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3219). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-649). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Bokchito's water system has 37 total violations on record, including 4 health-based violations. 5 remain unresolved.

MROtherMCL
Most recent violations:
Apr 2019 Chlorine Resolved
Jul 2016 Gross Alpha, Excl. Radon and U Resolved
Jul 2016 Combined Uranium Resolved
Jul 2016 Consumer Confidence Rule Open
Jul 2016 Combined Radium (-226 and -228) Resolved

Flood & environmental risk

Bryan County has experienced 3 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 Blue River Near Blue.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219
SEVERE STORMS & FLOODING
Flood FEMA DR-649
SEVERE STORMS & FLOODING
Flood FEMA DR-317

Where does Bokchito's water come from?

Bokchito's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 564 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Blue River Near Blue (river).

What Bokchito residents can do

Install a water filter

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

Bokchito'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

37
Total violations
4
Health-based
5
Active / unresolved
Apr 2019
Most recent violation
Compliance Record

Violations & advisories

37 Total
5 Active
4 Health-based
32 Resolved
1 SNC
Violations by category
Inorganic Chemicals
10
Total Coliform Rule
10
Radionuclides and Revised Rad Rule
7
Stage 2 Disinfectants and Disinfection Byproducts Rule
3
Lead and Copper Rule
2
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Dec 2015 Active
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2015 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2009 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Apr 2019 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2019
Jul 2016 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2016
Jul 2016 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2016
Jul 2016 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2016
Jul 2016 Resolved
Gross Beta Particle Activity
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2016
Jul 2015 Resolved
TTHM
Max Contaminant Level
SNC Health Resolved Sep 2015
Jan 2014 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2014 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2014 Resolved
Antimony, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2014 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2014 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2014 Resolved
Nickel
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2014 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2014 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Jan 2014 Resolved
Thallium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2016
Showing 20 of 37 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Bryan 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.

14.5%
Months in D2+ (last 30y)
11
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

3
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Bryan County has experienced 3 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219
Nov 1981
SEVERE STORMS & FLOODING
Flood FEMA #649
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
Groundwater
Operator
Local Government
Population Served
564
Water Systems
1
Water Source

Where Bokchito's water comes from

Groundwater

Bokchito'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 564 people through 1 water system.

Local Hydrology

Water bodies near Bokchito

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

Blue River Near Blue
river
Infrastructure

Water systems serving Bokchito

System Name PWSID Population Source
BOKCHITO OK2000704 564 GW
Regional Comparison

How Bokchito compares

Full Oklahoma rankings →

Bokchito's score of 91.5/100 is above the average of 45/100 among major Oklahoma cities. It outscores 10 of 10 nearby cities.

Bokchito (this city)
91.5
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Bokchito, OK

Economic Profile
$33,846
Median Income
$81,249
Median Home Value
$698/mo
Median Rent
6.5%
Unemployment
Community
41.9
Median Age
288
People / sq mi
8.1%
College Educated
57.1%
Homeownership
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Frequently asked questions

Is Bokchito, OK tap water safe to drink?

Bokchito's water quality earned a grade of A (91.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #10 out of 358 cities tested in Oklahoma.

What contaminants are in Bokchito's water?

Lead was measured at 0.0 ppb (90th percentile). 37 violations are on record.

How is Bokchito'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 Bokchito?

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

Where does Bokchito's water come from?

Bokchito's water is sourced from Groundwater. The city has 1 water system serving approximately 564 residents.

What health violations has Bokchito's water system had?

Bokchito has 4 health-based violations on record. The most recent violation was recorded in April 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.

Is Bokchito's groundwater at risk of contamination?

Bokchito 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 37 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 Bokchito's water compare to other cities?

Bokchito ranks #10 out of 358 cities in Oklahoma (better than 97% of state cities) and #1685 out of 15744 cities nationally (89th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Bokchito's small water system affect quality?

Bokchito'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 37 violations on record.