Is Jasper, MI Tap Water Safe to Drink?
Graded B+, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
84.9/100
Jasper, MI — Water Quality Report
Jasper's drinking water received a grade of B+ (84.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 717 residents using purchased ground water.
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.
The system has 2 violations on record, including 0 health-based violations. 2 remain unresolved.
What to know about Jasper's water
Jasper ranks #250 out of 520 cities in Michigan for water quality, placing it mid-range in the state.
Jasper purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
As a small community water system, Jasper may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Jasper, MI water safe to drink?
Jasper's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (84.9/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 717 residents using groundwater (wells).
Recent water quality updates for Jasper
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Jasper's water quality assessment. Grade: B+ (84.9/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
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 Jasper's water supply.
Well within EPA limits.
Violation history
Jasper's water system has 2 total violations on record, including 0 health-based violations. 2 remain unresolved. 1 violation was 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 S Branch River Raisin, River Raisin, Nile Ditch.
Where does Jasper's water come from?
Jasper's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 717 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include S Branch River Raisin (river), River Raisin (river), Nile Ditch (river).
What Jasper 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.
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 Jasper
Industrial polluters nearby
Reported releases to surface water by facilities near Jasper, ranked by pounds discharged annually.
Total reported releases to surface water: 254 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
ANDERSON DEVELOPMENT CO ADRIAN, MI49221 | Butyl acrylate | 254 | 7.6 mi |
ADRIAN STEEL CO ADRIAN, MI49221 | — | — | 7.0 mi |
INTEVA PRODUCTS-ADRIAN OPERATIONS ADRIAN, MI49221 | — | — | 7.3 mi |
CRIMSON HOLDINGS LLC ADRIAN, MI49221 | — | — | 7.8 mi |
W2 FUEL LLC ADRIAN, MI49221 | — | — | 7.2 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
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. | 2.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Jasper compares by contaminant
Explore where Jasper ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Jasper's water comes from
Jasper purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of Jasper's local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by local government ownership and serves approximately 717 people through 1 water system.
Water bodies near Jasper
Jasper is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Jasper
| System Name | PWSID | Population | Source |
|---|---|---|---|
| FAIRFIELD TOWNSHIP | MI0002212 | 717 | GWP |
How Jasper compares
Full Michigan rankings →Jasper's score of 84.9/100 is above the average of 70/100 among major Michigan cities. It outscores 6 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Jasper, MI
Wikipedia →Jasper is an unincorporated community and census-designated place (CDP) in Lenawee County in the U.S. state of Michigan. The CDP had a population of 371 at the 2020 census. Jasper is within Fairfield Township and Ogden Township, Jasper has its own post office with the 49248 ZIP Code.
Learn more about your water
Guides and resources related to Jasper's water quality findings.
Explore water quality across Lenawee
Frequently asked questions
Is Jasper, MI tap water safe to drink?
Jasper's water quality earned a grade of B+ (84.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #250 out of 520 cities tested in Michigan.
What contaminants are in Jasper's water?
Lead was measured at 2.0 ppb (90th percentile). 2 violations are on record.
How is Jasper'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 Jasper?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Jasper's water come from?
Jasper's water is sourced from Purchased ground water. The city has 1 water system serving approximately 717 residents.
Is Jasper's groundwater at risk of contamination?
Jasper 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 2 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 Jasper's water compare to other cities?
Jasper ranks #250 out of 520 cities in Michigan (better than 52% of state cities) and #5630 out of 15744 cities nationally (64th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Jasper's small water system affect quality?
Jasper's system serves approximately 717 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 2 violations on record.