Is Grant, OK Tap Water Safe to Drink?
Graded C, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
61.6/100
waterverge.com Grant, OK — Water Quality Report
Grant's drinking water received a grade of C (61.6 out of 100), indicating fair water quality. The city's 1 water system serves approximately 2,300 residents using groundwater.
Lead levels were measured at 0.8 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 69 violations on record, including 25 health-based violations. 7 remain unresolved.
What to know about Grant's water
Grant ranks #151 out of 358 cities in Oklahoma for water quality, placing it mid-range in the state.
Grant 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, Grant may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 17 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Grant, OK water safe to drink?
Grant's drinking water has significant quality concerns based on EPA testing data. With a grade of C (61.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,300 residents using groundwater (wells).
Recent water quality updates for Grant
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Grant's water quality assessment. Grade: C (61.6/100).
1 health-based. Contaminants: Combined Radium (-226 and -228).
1 health-based. Contaminants: Combined Radium (-226 and -228).
1 health-based. Contaminants: Gross Alpha, Excl. Radon and U, Combined Uranium, Gross Beta Particle Activity.
Federal disaster declaration (FEMA DR-3219). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-317). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Grant's water supply.
Well within EPA limits.
Violation history
Grant's water system has 69 total violations on record, including 25 health-based violations. 7 remain unresolved. 17 violations were issued in the last 5 years.
Flood & environmental risk
Choctaw County has experienced 3 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. Local water sources include Red River At Arthur City.
Where does Grant's water come from?
Grant's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,300 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Red River At Arthur City (river).
What Grant residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Grant's water.
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.
Grant'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Grant
Industrial polluters nearby
Reported releases to surface water by facilities near Grant, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
WESTERN FARMERS ELECTRIC COOP HUGO, OK74743 | — | — | 8.9 mi |
CHOCTAW DEFENSE HUGO, OK74743 | — | — | 5.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D3 — extreme droughtChoctaw 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Choctaw County has experienced 3 federally declared disasters since 1968. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.8 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Grant compares by contaminant
Explore where Grant ranks among all Oklahoma cities for specific contaminants.
Water source & infrastructure
Where Grant's water comes from
Grant'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 2,300 people through 1 water system.
Water bodies near Grant
Grant is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Grant
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CHOCTAW CO. RWD #1 | OK2001204 | 2,300 | GW |
How Grant compares
Full Oklahoma rankings →Grant's score of 61.6/100 is above the average of 45/100 among major Oklahoma cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Oklahoma rankings →About Grant, OK
Wikipedia →Grant is an unincorporated community in Choctaw County, Oklahoma, United States. It is located along U.S. Route 271, south of Hugo. As of the 2020 census, Grant had a population of 190.
Learn more about your water
Guides and resources related to Grant's water quality findings.
Explore water quality across Choctaw
Frequently asked questions
Is Grant, OK tap water safe to drink?
Grant's water quality earned a grade of C (61.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #151 out of 358 cities tested in Oklahoma.
What contaminants are in Grant's water?
Lead was measured at 0.8 ppb (90th percentile). 69 violations are on record.
How is Grant'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 Grant?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Grant's water come from?
Grant's water is sourced from Groundwater. The city has 1 water system serving approximately 2,300 residents.
What health violations has Grant's water system had?
Grant has 25 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. 7 violations remain unresolved.
Is Grant's groundwater at risk of contamination?
Grant 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 69 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 Grant's water compare to other cities?
Grant ranks #151 out of 358 cities in Oklahoma (better than 58% of state cities) and #11972 out of 15744 cities nationally (24th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Grant's small water system affect quality?
Grant's system serves approximately 2,300 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 69 violations on record.