Is Adams, MN Tap Water Safe to Drink?
Graded A+ with no contaminants above EPA limits. Here's everything we tested and how Adams ranks. What to do next ↓
97/100
Adams, MN — Water Quality Report
Adams's drinking water received a grade of A+ (97 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 672 residents using groundwater.
Lead levels were measured at 2.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
No violations are on record for this water system.
What to know about Adams's water
Adams ranks #18 out of 466 cities in Minnesota for water quality, placing it one of the best in the state.
Adams 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, Adams may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Adams has a clean compliance record with no violations on file, reflecting strong operational practices.
Water quality score
See methodology →Is Adams, MN water safe to drink?
Based on EPA testing data, Adams's tap water is generally safe to drink. The water system earned a grade of A+ (97/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 672 residents using groundwater (wells).
Recent water quality updates for Adams
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Adams's water quality assessment. Grade: A+ (97/100).
Federal disaster declaration (FEMA DR-4797). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4442). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Adams's water supply.
Well within EPA limits.
Flood & environmental risk
Mower County has experienced 5 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 Adams's water come from?
Adams's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 672 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Adams 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.
Adams'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 ↓Violations & advisories
Flood & disaster history
Mower County has experienced 5 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. | 2.0 | 15 | ppb | Inorganic | Safe |
Lead level (90th percentile)
Latest reading: 2.0 ppb (2023)
EPA action level: 15 ppb
See how Adams compares by contaminant
Explore where Adams ranks among all Minnesota cities for specific contaminants.
Water source & infrastructure
Where Adams's water comes from
Adams'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 672 people through 1 water system.
Water systems serving Adams
| System Name | PWSID | Population | Source |
|---|---|---|---|
| Adams | MN1500001 | 672 | GW |
How Adams compares
Full Minnesota rankings →Adams's score of 97/100 is above the average of 82/100 among major Minnesota cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Minnesota rankings →About Adams, MN
Learn more about your water
Guides and resources related to Adams's water quality findings.
Explore water quality across Mower
Frequently asked questions
Is Adams, MN tap water safe to drink?
Adams's water quality earned a grade of A+ (97/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #18 out of 466 cities tested in Minnesota.
What contaminants are in Adams's water?
Lead was measured at 2.0 ppb (90th percentile). No violations on record.
How is Adams'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 Adams?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Adams's water come from?
Adams's water is sourced from Groundwater. The city has 1 water system serving approximately 672 residents.
Is Adams's groundwater at risk of contamination?
Adams uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. Current testing shows the groundwater meets EPA standards. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Adams's water compare to other cities?
Adams ranks #18 out of 466 cities in Minnesota (better than 96% of state cities) and #115 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.
Does Adams's small water system affect quality?
Adams's system serves approximately 672 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 maintained a clean compliance record.