Is Hoffman, MN Tap Water Safe to Drink?
Graded A-, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
88.3/100
Hoffman, MN — Water Quality Report
Hoffman's drinking water received a grade of A- (88.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 703 residents using groundwater.
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 6 violations on record, including 0 health-based violations. 3 remain unresolved.
What to know about Hoffman's water
Hoffman ranks #271 out of 466 cities in Minnesota for water quality, placing it below average in the state.
Hoffman 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, Hoffman may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Hoffman, MN water safe to drink?
Hoffman's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 703 residents using groundwater (wells).
Recent water quality updates for Hoffman
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hoffman's water quality assessment. Grade: A- (88.3/100).
Federal disaster declaration (FEMA DR-4722). Flood event — may have impacted local water infrastructure.
Contaminants: Lead and Copper Rule.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-4442). Flood event — may have impacted local water infrastructure.
Contaminants: Revised Total Coliform Rule, Chlorine.
Key contaminant findings
Based on the most recent EPA sampling data for Hoffman's water supply.
Well within EPA limits.
Violation history
Hoffman's water system has 6 total violations on record, including 0 health-based violations. 3 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Grant County has experienced 9 federally declared disasters since 1965. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Hoffman's water come from?
Hoffman's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 703 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Hoffman residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hoffman'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.
Hoffman'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
Flood & disaster history
Grant County has experienced 9 federally declared disasters since 1965. 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Hoffman compares by contaminant
Explore where Hoffman ranks among all Minnesota cities for specific contaminants.
Water source & infrastructure
Where Hoffman's water comes from
Hoffman'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 703 people through 1 water system.
Water systems serving Hoffman
| System Name | PWSID | Population | Source |
|---|---|---|---|
| Hoffman | MN1260006 | 703 | GW |
How Hoffman compares
Full Minnesota rankings →Hoffman's score of 88.3/100 is above the average of 82/100 among major Minnesota cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Minnesota rankings →About Hoffman, MN
Learn more about your water
Guides and resources related to Hoffman's water quality findings.
Explore water quality across Grant
Frequently asked questions
Is Hoffman, MN tap water safe to drink?
Hoffman's water quality earned a grade of A- (88.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #271 out of 466 cities tested in Minnesota.
What contaminants are in Hoffman's water?
Lead was measured at 0.0 ppb (90th percentile). 6 violations are on record.
How is Hoffman'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 Hoffman?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hoffman's water come from?
Hoffman's water is sourced from Groundwater. The city has 1 water system serving approximately 703 residents.
Is Hoffman's groundwater at risk of contamination?
Hoffman 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 Hoffman's water compare to other cities?
Hoffman ranks #271 out of 466 cities in Minnesota (better than 42% of state cities) and #3553 out of 15744 cities nationally (77th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Hoffman's small water system affect quality?
Hoffman's system serves approximately 703 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 6 violations on record.