WaterVerge

Is Drumright, OK Tap Water Safe to Drink?

Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: OK2001902
Overall Score
89.4 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#19 of 358 in Oklahoma Top 18% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
89.4/100
waterverge.com
A- 89.4/100

Drumright, OK — Water Quality Report

Drumright's drinking water received a grade of A- (89.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,876 residents using groundwater.

Lead levels were measured at 2.8 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 23 violations on record, including 3 health-based violations. 6 remain unresolved.

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

What to know about Drumright's water

Drumright ranks #19 out of 358 cities in Oklahoma for water quality, placing it one of the best in the state.

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

Quality Breakdown

Water quality score

See methodology →
89.4 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.8 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 Drumright, OK water safe to drink?

Concerns Identified

Drumright's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (89.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,876 residents using groundwater (wells).

6
Active Violations
2.8 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Drumright

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Drumright's water quality assessment. Grade: A- (89.4/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: E. COLI, Coliform (TCR).

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-778). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 2.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Drumright's water system has 23 total violations on record, including 3 health-based violations. 6 remain unresolved. 1 violation was issued in the last 5 years.

OtherMRMCL
Most recent violations:
Oct 2022 Consumer Confidence Rule Open
Sep 2015 E. COLI Open
Jul 2015 E. COLI Open
Jul 2015 Coliform (TCR) Resolved
Feb 2015 E. COLI Open

Flood & environmental risk

Creek County has experienced 5 federally declared disasters since 1971. 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
SEVERE STORMS & FLOODING
Flood FEMA DR-778
SEVERE STORMS & FLOODING
Flood FEMA DR-453

Where does Drumright's water come from?

Drumright's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,876 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Drumright residents can do

Install a water filter

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

Drumright'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
2.8 ppb
EPA Action Level: 15 ppb · 19% of limit
Safe Level
Compliance Record

Violation summary

23
Total violations
3
Health-based
6
Active / unresolved
Oct 2022
Most recent violation
Compliance Record

Violations & advisories

23 Total
6 Active
3 Health-based
17 Resolved
Violations by category
Total Coliform Rule
9
Stage 2 Disinfectants and Disinfection Byproducts Rule
6
Ground Water Rule
3
Lead and Copper Rule
3
Consumer Confidence Rule
1
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Sep 2015 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Feb 2015 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2009 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2015
Oct 2008 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Oct 2008 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jul 2008 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2008
Jul 2008 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2008
Apr 2008 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Apr 2008 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2008
Jan 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2007
Oct 2000 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2001
Oct 1999 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2001
Sep 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1998
Jun 1998 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1998
May 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 1998
Apr 1998 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 1998
Showing 20 of 23 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Creek 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.

9.2%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

5
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Creek County has experienced 5 federally declared disasters since 1971. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3219
Oct 1986
SEVERE STORMS & FLOODING
Flood FEMA #778
Nov 1974
SEVERE STORMS & FLOODING
Flood FEMA #453
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #441
Sep 1971
HEAVY RAINS & FLOODS
Flood FEMA #314

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.8 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 3.2 ppb from 1993 (6.0 ppb) to 2025 (2.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,876
Water Systems
1
Water Source

Where Drumright's water comes from

Groundwater

Drumright'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 2,876 people through 1 water system.

Infrastructure

Water systems serving Drumright

System Name PWSID Population Source
DRUMRIGHT OK2001902 2,876 GW
Regional Comparison

How Drumright compares

Full Oklahoma rankings →

Drumright's score of 89.4/100 is above the average of 45/100 among major Oklahoma cities. It outscores 10 of 10 nearby cities.

Drumright (this city)
89.4
Tulsa
48.5
Norman
38.4
Lawton
44.4
Oklahoma avg
45
City Profile

About Drumright, OK

Wikipedia →

Drumright is a city in Creek and Payne counties in the U.S. state of Oklahoma. It began as an oil boom town. However, the population has declined as oil production has waned in the area. As of the 2020 census, Drumright had a population of 2,560. Drumright and nearby Cushing were at the center of the large, productive Cushing-Drumright Oil Field in the 1910s and 1920s. Now Drumright is home to a festival called The Drumright Monthly Market, where hundreds of visitors come on the first Saturday of every month, seeking crafts and delicacies from all over the region.

Economic Profile
$40,776
Median Income
$76,247
Median Home Value
$478/mo
Median Rent
3.2%
Unemployment
Community
42.7
Median Age
119
People / sq mi
8.6%
College Educated
66.2%
Homeownership
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Frequently asked questions

Is Drumright, OK tap water safe to drink?

Drumright's water quality earned a grade of A- (89.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #19 out of 358 cities tested in Oklahoma.

What contaminants are in Drumright's water?

Lead was measured at 2.8 ppb (90th percentile). 23 violations are on record.

How is Drumright'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 Drumright?

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

Where does Drumright's water come from?

Drumright's water is sourced from Groundwater. The city has 1 water system serving approximately 2,876 residents.

What health violations has Drumright's water system had?

Drumright has 3 health-based violations on record. The most recent violation was recorded in October 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

Is Drumright's groundwater at risk of contamination?

Drumright 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 23 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 Drumright's water compare to other cities?

Drumright ranks #19 out of 358 cities in Oklahoma (better than 95% of state cities) and #2839 out of 15744 cities nationally (82th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Drumright's small water system affect quality?

Drumright's system serves approximately 2,876 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 23 violations on record.