Is Hudson, MI Tap Water Safe to Drink?
Graded B+, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
82.6/100
waterverge.com Hudson, MI — Water Quality Report
Hudson's drinking water received a grade of B+ (82.6 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,517 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 11 violations on record, including 3 health-based violations. 5 remain unresolved.
What to know about Hudson's water
Hudson ranks #320 out of 520 cities in Michigan for water quality, placing it below average in the state.
Hudson 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, Hudson may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Hudson, MI water safe to drink?
Hudson's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,517 residents using groundwater (wells).
Recent water quality updates for Hudson
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Hudson's water quality assessment. Grade: B+ (82.6/100).
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Lead and Copper Rule.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Federal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Hudson's water supply.
Well within EPA limits.
Violation history
Hudson's water system has 11 total violations on record, including 3 health-based violations. 5 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Lenawee County has experienced 1 federally declared disaster since 2005. 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 E Br St Joseph R, Lime Creek.
Where does Hudson's water come from?
Hudson's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,517 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include E Br St Joseph R (river), Lime Creek (river).
What Hudson residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hudson'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.
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
Lenawee County has experienced 1 federally declared disaster since 2005. 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 (90th percentile)
Latest reading: 0.0 ppb (2023)
EPA action level: 15 ppb
See how Hudson compares by contaminant
Explore where Hudson ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Hudson's water comes from
Hudson'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 2,517 people through 2 water systems.
Water bodies near Hudson
Hudson is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Hudson
| System Name | PWSID | Population | Source |
|---|---|---|---|
| HUDSON | MI0003280 | 2,307 | GW |
| LEFFINGWELL ESTATES | MI0040311 | 210 | GW |
How Hudson compares
Full Michigan rankings →Hudson's score of 82.6/100 is above the average of 70/100 among major Michigan cities. It outscores 5 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Hudson, MI
Learn more about your water
Guides and resources related to Hudson's water quality findings.
Explore water quality across Lenawee
Frequently asked questions
Is Hudson, MI tap water safe to drink?
Hudson's water quality earned a grade of B+ (82.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #320 out of 520 cities tested in Michigan.
What contaminants are in Hudson's water?
Lead was measured at 0.0 ppb (90th percentile). 11 violations are on record.
How is Hudson'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 Hudson?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Hudson's water come from?
Hudson's water is sourced from Groundwater. The city has 2 water systems serving approximately 2,517 residents.
What health violations has Hudson's water system had?
Hudson has 3 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.
Is Hudson's groundwater at risk of contamination?
Hudson 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 11 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 Hudson's water compare to other cities?
Hudson ranks #320 out of 520 cities in Michigan (better than 38% of state cities) and #6864 out of 15744 cities nationally (56th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.