Is Rockwood, MI Tap Water Safe to Drink?
Graded A+ with no contaminants above EPA limits. Here's everything we tested and how Rockwood ranks. What to do next ↓
95.5/100
waterverge.com Rockwood, MI — Water Quality Report
Rockwood's drinking water received a grade of A+ (95.5 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 3,289 residents using purchased surface water.
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 3 violations on record, including 0 health-based violations. All violations have been resolved.
What to know about Rockwood's water
Rockwood ranks #18 out of 520 cities in Michigan for water quality, placing it one of the best 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, Rockwood may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Rockwood, MI water safe to drink?
Based on EPA testing data, Rockwood's tap water is generally safe to drink. The water system earned a grade of A+ (95.5/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 3,289 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Rockwood
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Rockwood's water quality assessment. Grade: A+ (95.5/100).
Federal disaster declaration (FEMA DR-4757). Flood event — may have impacted local water infrastructure.
Contaminants: TTHM.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
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 Rockwood's water supply.
Well within EPA limits.
Violation history
Rockwood's water system has 3 total violations on record, including 0 health-based violations. All violations have been resolved.
Flood & environmental risk
Wayne County has experienced 6 federally declared disasters since 1972. 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 Frank And Poet Drain.
Where does Rockwood's water come from?
Rockwood's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,289 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Frank And Poet Drain (river).
What Rockwood 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.
Rockwood'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
Top industrial polluters within 10 miles of Rockwood
Industrial polluters nearby
Reported releases to surface water by facilities near Rockwood, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
GUARDIAN INDUSTRIES - CARLETON CARLETON, MI48117 | — | — | 6.3 mi |
FLAT ROCK METAL INC. FLAT ROCK, MI48134 | — | — | 3.4 mi |
FLAT ROCK ASSEMBLY PLANT FLAT ROCK, MI48134 | — | — | 2.3 mi |
TAILOR WELDED BLANKS MONROE, MI48162 | — | — | 9.1 mi |
SPARTAN STEEL COATING MONROE, MI48162 | — | — | 9.4 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Rockwood
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- DSC MCLOUTH STEEL GIBRALTAR PLANT3.1 mi
- MCLOUTH STEEL CORP7.2 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
Wayne County has experienced 6 federally declared disasters since 1972. 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 trend (90th percentile)
See how Rockwood compares by contaminant
Explore where Rockwood ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Rockwood's water comes from
Rockwood'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 local government ownership and serves approximately 3,289 people through 1 water system.
Water bodies near Rockwood
Rockwood is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Rockwood
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ROCKWOOD | MI0005750 | 3,289 | SWP |
How Rockwood compares
Full Michigan rankings →Rockwood's score of 95.5/100 is above the average of 70/100 among major Michigan cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Rockwood, MI
Learn more about your water
Guides and resources related to Rockwood's water quality findings.
Explore water quality across Wayne
Frequently asked questions
Is Rockwood, MI tap water safe to drink?
Rockwood's water quality earned a grade of A+ (95.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #18 out of 520 cities tested in Michigan.
What contaminants are in Rockwood's water?
Lead was measured at 0.0 ppb (90th percentile). 3 violations are on record.
How is Rockwood'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 Rockwood?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Rockwood's water come from?
Rockwood's water is sourced from Purchased surface water. The city has 1 water system serving approximately 3,289 residents.
How does Rockwood's water compare to other cities?
Rockwood ranks #18 out of 520 cities in Michigan (better than 97% of state cities) and #304 out of 15744 cities nationally (98th percentile). The grade of A+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Rockwood's small water system affect quality?
Rockwood's system serves approximately 3,289 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 3 violations on record.