Water Quality: Denver, MI
12 water systems • 7,734 people served
Multiple Health ViolationsWater Quality Summary
Denver is served by 12 public water systems with a combined service population of 7,734 people, and has 119 EPA Safe Drinking Water Act violations on record. Critically, 61 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Denver's violation count is 342% above the national average for Michigan. Contaminants associated with violations include Barium, Chlorine, Chlorine Dioxide, E. coli, Stage 2 DBP.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Eye and nose irritation at high levels; long-term exposure above the MCL may cause liver and kidney damage.
Common source: Water treatment disinfectant added to kill harmful microorganisms
EPA limit: 4.0 mg/L (MRDL — Maximum Residual Disinfectant Level)
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Not a direct health risk but reacts with disinfectants to form carcinogenic byproducts such as trihalomethanes.
Common source: Decaying plant material, algae, soil organic matter in source water
EPA limit: Treatment technique (must reduce TOC based on source water level)
Water Systems Serving Denver
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| WEST OLIVE ESTATES | MI0040614 | Groundwater | 1,850 | 5 |
| PINEWOOD ON THE LAKE MHP | MI0040464 | Groundwater | 950 | 3 |
| CRANBERRY LAKE MHC | MI0040382 | Groundwater | 820 | 20 |
| YANKEE SPRINGS MEADOWS | MI0040585 | Groundwater | 710 | 34 |
| MASON MANOR | MI0040197 | Groundwater | 630 | 11 |
| DUTCH HILLS | MI0040116 | Groundwater | 620 | 1 |
| GROVELAND MANOR | MI0040384 | Groundwater | 435 | 5 |
| HOLLY HILLS MHC | MI0040665 | Groundwater | 435 | 0 |
| CANTERBURY ESTATES MHP | MI0040617 | Groundwater | 350 | 2 |
| CAPITAL CROSSINGS | MI0040675 | Groundwater | 345 | 2 |
| OLD ORCHARD ESTATES | MI0040156 | Groundwater | 296 | 8 |
| MEADOW STREAMS ESTATES | MI0040061 | Groundwater | 293 | 28 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Michigan
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.