Is Casper, MI Tap Water Safe to Drink?
Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
92.6/100
waterverge.com Casper, MI — Water Quality Report
Casper's drinking water received a grade of A (92.6 out of 100), indicating excellent water quality. The city's 4 water systems serve approximately 1,245 residents using purchased surface water.
Lead levels were measured at 1.0 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 7 violations on record, including 1 health-based violation. 1 remains unresolved.
What to know about Casper's water
Casper ranks #58 out of 520 cities in Michigan for water quality, placing it above average in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, Casper may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Casper, MI water safe to drink?
Casper's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (92.6/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 4 water systems serve approximately 1,245 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Casper
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Casper's water quality assessment. Grade: A (92.6/100).
Contaminants: Surface Water Treatment Rule.
Federal disaster declaration (FEMA DR-4757). Flood event — may have impacted local water infrastructure.
Contaminants: Coliform (TCR).
Contaminants: Coliform (TCR).
Federal disaster declaration (FEMA DR-4195). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Casper's water supply.
Well within EPA limits.
Violation history
Casper's water system has 7 total violations on record, including 1 health-based violation. 1 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Oakland County has experienced 4 federally declared disasters since 1975. 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 River Rouge, Upper River Rouge, Johnson Creek, Middle River Rouge.
Where does Casper's water come from?
Casper's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 4 water systems serving approximately 1,245 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include River Rouge (river), Upper River Rouge (river), Johnson Creek (river), Middle River Rouge (river).
What Casper 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.
Casper'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
Oakland County has experienced 4 federally declared disasters since 1975. 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. | 1.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Casper compares by contaminant
Explore where Casper ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Casper's water comes from
Casper's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by private ownership and serves approximately 1,245 people through 4 water systems.
Water bodies near Casper
Casper is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Casper
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TERRACE I MHC | WY5601231 | 336 | SWP |
| HIDDEN HILLS MHP | WY5601339 | 324 | SWP |
| TERRACE II MHC | WY5601622 | 320 | SWP |
| GREEN VALLEY MHP | WY5600969 | 265 | SWP |
How Casper compares
Full Michigan rankings →Casper's score of 92.6/100 is above the average of 70/100 among major Michigan cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Casper, MI
Wikipedia →Farmington Hills is a city in Oakland County in the U.S. state of Michigan. A northwestern suburb of Detroit, Farmington Hills is located roughly 22 miles (35.4 km) from downtown Detroit. As of the 2020 census, the city's population was 83,986, making it the second-largest community in Oakland County.
Learn more about your water
Guides and resources related to Casper's water quality findings.
Explore water quality across Natrona
Frequently asked questions
Is Casper, MI tap water safe to drink?
Casper's water quality earned a grade of A (92.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #58 out of 520 cities tested in Michigan.
What contaminants are in Casper's water?
Lead was measured at 1.0 ppb (90th percentile). 7 violations are on record.
How is Casper'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 Casper?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Casper's water come from?
Casper's water is sourced from Purchased surface water. The city has 4 water systems serving approximately 1,245 residents.
What health violations has Casper's water system had?
Casper has 1 health-based violation on record. The most recent violation was recorded in August 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.
How does Casper's water compare to other cities?
Casper ranks #58 out of 520 cities in Michigan (better than 89% of state cities) and #1180 out of 15744 cities nationally (93th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.