Is Enderlin, ND Tap Water Safe to Drink?
Graded A+ with no contaminants above EPA limits. Here's everything we tested and how Enderlin ranks. What to do next ↓
96.4/100
waterverge.com Enderlin, ND — Water Quality Report
Enderlin's drinking water received a grade of A+ (96.4 out of 100), indicating excellent water quality. The city's 2 water systems serve approximately 911 residents using groundwater.
Lead levels were measured at 2.3 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 6 violations on record, including 0 health-based violations. All violations have been resolved.
What to know about Enderlin's water
Enderlin ranks #2 out of 103 cities in North Dakota for water quality, placing it one of the best in the state.
Enderlin 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, Enderlin may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Enderlin, ND water safe to drink?
Based on EPA testing data, Enderlin's tap water is generally safe to drink. The water system earned a grade of A+ (96.4/100), meeting federal drinking water standards across key contaminant categories. The city's 2 water systems serve approximately 911 residents using groundwater (wells).
Recent water quality updates for Enderlin
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Enderlin's water quality assessment. Grade: A+ (96.4/100).
Federal disaster declaration (FEMA DR-4717). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4553). Flood event — may have impacted local water infrastructure.
Contaminants: Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228), Combined Uranium.
Contaminants: Coliform (TCR), Chlorine.
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Enderlin's water supply.
Well within EPA limits.
Violation history
Enderlin's water system has 6 total violations on record, including 0 health-based violations. All violations have been resolved.
Flood & environmental risk
Ransom County has experienced 10 federally declared disasters since 1999. 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 Maple River Nr Enderlin, Maple River Above Maple River Dam Nr Sheldon.
Where does Enderlin's water come from?
Enderlin's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 911 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Maple River Nr Enderlin (river), Maple River Above Maple River Dam Nr Sheldon (river).
What Enderlin residents can do
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.
Enderlin'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 Enderlin
Industrial polluters nearby
Reported releases to surface water by facilities near Enderlin, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
NORTHERN SUN-DIV OF ADM ENDERLIN, ND58027 | — | — | 1.1 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Ransom County has experienced 10 federally declared disasters since 1999. 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. | 2.3 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Enderlin compares by contaminant
Explore where Enderlin ranks among all North Dakota cities for specific contaminants.
Water source & infrastructure
Where Enderlin's water comes from
Enderlin'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 911 people through 2 water systems.
Water bodies near Enderlin
Enderlin is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Enderlin
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ENDERLIN CITY OF | ND3700314 | 886 | GW |
| GRANT COLONY | ND3701801 | 25 | GW |
How Enderlin compares
Full North Dakota rankings →Enderlin's score of 96.4/100 is above the average of 82/100 among major North Dakota cities. It outscores 10 of 10 nearby cities.
Nearby cities
View North Dakota rankings →About Enderlin, ND
Learn more about your water
Guides and resources related to Enderlin's water quality findings.
Explore water quality across Ransom
Frequently asked questions
Is Enderlin, ND tap water safe to drink?
Enderlin's water quality earned a grade of A+ (96.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #2 out of 103 cities tested in North Dakota.
What contaminants are in Enderlin's water?
Lead was measured at 2.3 ppb (90th percentile). 6 violations are on record.
How is Enderlin'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 Enderlin?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Enderlin's water come from?
Enderlin's water is sourced from Groundwater. The city has 2 water systems serving approximately 911 residents.
Is Enderlin's groundwater at risk of contamination?
Enderlin 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 6 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 Enderlin's water compare to other cities?
Enderlin ranks #2 out of 103 cities in North Dakota (better than 98% of state cities) and #190 out of 15744 cities nationally (99th percentile). The grade of A+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.