B76/100
CARSON CITY — Water Quality Report 2026
Serving 3,322 people · Michigan
Water Source
Groundwater
County
—
System ID
MI0001170
Violations
9
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.88 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – September 30, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 11, 2022 – November 22, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 28, 2022 – August 29, 2022Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – July 20, 2021Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About CARSON CITY
Is CARSON CITY water safe to drink?
CARSON CITY water receives a grade of B (76/100), which is considered good. Out of 32 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CARSON CITY detected?
32 contaminants were tested in CARSON CITY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CARSON CITY have any EPA violations?
Yes, CARSON CITY has 9 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does CARSON CITY serve?
CARSON CITY serves approximately 3,322 people, Michigan. The system provides water to 1 community: Carson City.
What type of water does CARSON CITY provide?
CARSON CITY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MI0001170.
How does CARSON CITY compare to other utilities in Michigan?
CARSON CITY scores 76/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Michigan state page for a full comparison of water systems.