WaterVerge

Is Forgan, OK Tap Water Safe to Drink?

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

532 residents served 1 water system PWSID: OK2000406
Overall Score
76.4 / 100
Violations
7 active
Last Updated
May 2026
Source
Groundwater
#99 of 358 in Oklahoma Top 59% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
76.4/100
waterverge.com
B 76.4/100

Forgan, OK — Water Quality Report

Forgan's drinking water received a grade of B (76.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 532 residents using groundwater.

Lead levels were measured at 11.1 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 25 violations on record, including 4 health-based violations. 7 remain unresolved.

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

What to know about Forgan's water

Forgan ranks #99 out of 358 cities in Oklahoma for water quality, placing it mid-range in the state.

Forgan 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

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

Quality Breakdown

Water quality score

See methodology →
76.4 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.4/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
13/20
C
Lead at 11.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Forgan, OK water safe to drink?

Concerns Identified

Forgan's drinking water has significant quality concerns based on EPA testing data. With a grade of B (76.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 532 residents using groundwater (wells).

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

Recent water quality updates for Forgan

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Forgan's water quality assessment. Grade: B (76.4/100).

Violation
2 drinking water violations recorded

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

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

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 Forgan's water supply.

Lead Elevated
Detected: 11.1 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Violation history

Forgan's water system has 25 total violations on record, including 4 health-based violations. 7 remain unresolved. 3 violations were issued in the last 5 years.

TTRPTOtherMRMONMCL
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2022 Consumer Confidence Rule Open
Apr 2019 Chlorine Resolved
Jan 2018 Nitrate-Nitrite Resolved

Flood & environmental risk

Beaver 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. Local water sources include Cimarron River Near Forgan, Beaver River At Beaver.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3219

Where does Forgan's water come from?

Forgan's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 532 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Cimarron River Near Forgan (river), Beaver River At Beaver (river).

What Forgan residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

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
Near Limit
11.1 ppb
EPA Action Level: 15 ppb · 74% of limit
Near LimitFilter: NSF-53
Compliance Record

Violation summary

25
Total violations
4
Health-based
7
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

25 Total
7 Active
4 Health-based
18 Resolved
Violations by category
Total Coliform Rule
10
Consumer Confidence Rule
4
Stage 1 Disinfectants and Disinfection Byproducts Rule
3
Radionuclides and Revised Rad Rule
3
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
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2015 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
Active
Compliance Violation
Monitoring 0
Apr 2019 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2019
Jan 2018 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Apr 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2017
Apr 2017 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2017
Nov 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2015
Oct 2015 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Nov 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2014
Dec 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Nov 2009 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2009
Jan 2008 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Jan 2008 Resolved
Gross Beta Particle Activity
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Jan 2008 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Mar 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2007
Showing 20 of 25 violations
Industrial pollution

Top industrial polluters within 10 miles of Forgan

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
BEAVER GAS PROCESSING PLANT
Natural Gas Processing · ENERGY TRANSFER LP
BEAVER, OK73932
6.7 mi
MOCANE CRYOGENIC PLANT
Natural Gas Processing · ENERGY TRANSFER LP
FORGAN, OK73938
0.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Beaver 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.

9
Weeks at D2+ (current streak)
23.1%
Months in D2+ (last 30y)
9
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

Beaver 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

Recommended water filters

Based on contaminants detected in Forgan's water supply, we recommend the following filter types.

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 11.1 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 11.1 15 ppb Inorganic Near Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.9 ppb from 1993 (15.0 ppb) to 2023 (11.1 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
532
Water Systems
1
Water Source

Where Forgan's water comes from

Groundwater

Forgan'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 532 people through 1 water system.

Local Hydrology

Water bodies near Forgan

Forgan is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Cimarron River Near Forgan
river
Beaver River At Beaver
river
Infrastructure

Water systems serving Forgan

System Name PWSID Population Source
FORGAN OK2000406 532 GW
Regional Comparison

How Forgan compares

Full Oklahoma rankings →

Forgan's score of 76.4/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.

Forgan (this city)
76.4
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Forgan, OK

Wikipedia →

Forgan is a town in Beaver County, Oklahoma, United States. As of the 2020 census, the town’s population was 450.

Economic Profile
$66,250
Median Income
$55,687
Median Home Value
1.8%
Unemployment
Community
42.2
Median Age
281
People / sq mi
5.9%
College Educated
91.4%
Homeownership
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Frequently asked questions

Is Forgan, OK tap water safe to drink?

Forgan's water quality earned a grade of B (76.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #99 out of 358 cities tested in Oklahoma.

What contaminants are in Forgan's water?

Lead was measured at 11.1 ppb (90th percentile). 25 violations are on record.

How is Forgan'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 Forgan?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Forgan's water come from?

Forgan's water is sourced from Groundwater. The city has 1 water system serving approximately 532 residents.

What health violations has Forgan's water system had?

Forgan has 4 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. 7 violations remain unresolved.

Is Forgan's groundwater at risk of contamination?

Forgan 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 25 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 Forgan's water compare to other cities?

Forgan ranks #99 out of 358 cities in Oklahoma (better than 72% of state cities) and #9317 out of 15744 cities nationally (41th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Forgan's small water system affect quality?

Forgan's system serves approximately 532 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 25 violations on record.