WaterVerge

Is Gans, OK Tap Water Safe to Drink?

Graded B, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

600 residents served 1 water system PWSID: OK3006802
Overall Score
77.5 / 100
Violations
3 active
Last Updated
May 2026
Source
Purchased surface water
#93 of 358 in Oklahoma Top 57% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
77.5/100
waterverge.com
B 77.5/100

Gans, OK — Water Quality Report

Gans's drinking water received a grade of B (77.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 600 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 40 violations on record, including 6 health-based violations. 3 remain unresolved.

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

What to know about Gans's water

Gans ranks #93 out of 358 cities in Oklahoma for water quality, placing it mid-range 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, Gans 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 →
77.5 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
28.5/45
C
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 Gans, OK water safe to drink?

Concerns Identified

Gans's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 600 residents using surface water (rivers, lakes, or reservoirs).

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

Recent water quality updates for Gans

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Gans's water quality assessment. Grade: B (77.5/100).

Violation
2 drinking water violations recorded

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

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

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 Gans's water supply.

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

Well within EPA limits.

Violation history

Gans's water system has 40 total violations on record, including 6 health-based violations. 3 remain unresolved. 9 violations were issued in the last 5 years.

TTRPTMONMRMCL
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Mar 2024 Revised Total Coliform Rule Resolved
Jan 2024 Chlorine Resolved
Jul 2023 Chlorine Resolved

Flood & environmental risk

Sequoyah County has experienced 6 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.

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

Where does Gans's water come from?

Gans's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 600 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Gans residents can do

Install a water filter

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

Gans'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

40
Total violations
6
Health-based
3
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

40 Total
3 Active
6 Health-based
37 Resolved
4 SNC
Violations by category
Total Coliform Rule
15
Stage 1 Disinfectants and Disinfection Byproducts Rule
9
Revised Total Coliform Rule
8
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Lead and Copper Rule Revisions
2
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
Active
Compliance Violation
Monitoring 0
Mar 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Mar 2024
Jan 2024 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2024
Jul 2023 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Jul 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2023
Apr 2023 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2023
Apr 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2023
Apr 2021 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2021
Jul 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2020
Jul 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Jul 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Jun 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2020
May 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2020
Apr 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2020
Apr 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2020
Jan 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jan 2020
Jan 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2020
Jul 2018 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2018
Showing 20 of 40 violations
Industrial pollution

Top industrial polluters within 10 miles of Gans

Industrial polluters nearby

Reported releases to surface water by facilities near Gans, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
OK FOODS - MULDROW
Food · OK FOODS INC
MULDROW, OK74948
6.4 mi
SHENG LONG POWER TRAIN
Transportation Equipment · NA
SALLISAW, OK74955
6.7 mi
AVIAGEN FEED PROCESSING UNIT
Food · AVIAGEN GROUP
SALLISAW, OK74955
8.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Sequoyah 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.

5.9%
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

6
Declared disasters
May 2019
Most recent
Flood
Most common type

Sequoyah County has experienced 6 federally declared disasters since 1972. 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 1994 (0.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
600
Water Systems
1
Water Source

Where Gans's water comes from

Purchased Surface Water

Gans'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 600 people through 1 water system.

Infrastructure

Water systems serving Gans

System Name PWSID Population Source
GANS UTILITY AUTHORITY OK3006802 600 SWP
Regional Comparison

How Gans compares

Full Oklahoma rankings →

Gans's score of 77.5/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Gans (this city)
77.5
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Gans, OK

Wikipedia →

Gans is a town in Sequoyah County, Oklahoma, United States. It is part of the Fort Smith, Arkansas-Oklahoma metropolitan statistical area. As of the 2020 census, Gans had a population of 251.

Economic Profile
$50,969
Median Income
$116,584
Median Home Value
$858/mo
Median Rent
10.1%
Unemployment
Community
42.3
Median Age
395
People / sq mi
29.8%
College Educated
69.7%
Homeownership
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Frequently asked questions

Is Gans, OK tap water safe to drink?

Gans's water quality earned a grade of B (77.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #93 out of 358 cities tested in Oklahoma.

What contaminants are in Gans's water?

Lead was measured at 0.0 ppb (90th percentile). 40 violations are on record.

How is Gans'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 Gans?

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

Where does Gans's water come from?

Gans's water is sourced from Purchased surface water. The city has 1 water system serving approximately 600 residents.

What health violations has Gans's water system had?

Gans has 6 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

How does Gans's water compare to other cities?

Gans ranks #93 out of 358 cities in Oklahoma (better than 74% of state cities) and #8992 out of 15744 cities nationally (43th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Gans's small water system affect quality?

Gans's system serves approximately 600 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 40 violations on record.