Skip to main content
WaterVerge

Water quality report · updated Jul 2026

Is Forestville, MI Tap Water Safe to Drink?

Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do ↓

1 contaminant over a legal limit
3.0 ppb lead, 90th percentile · low
1 unresolved violation
836 people served by 1 water system

PWSID MI0002360 · moderate data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
A 86.8 / 100

#197 of 513Michigan cities
How we grade →

01The verdict: is Forestville water safe?

Forestville's tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (86.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 836 residents using surface water (rivers, lakes, or reservoirs).

The concern

Copper is over its legal limit

Measured at 1.81 mg/L against the EPA Action Level of 1.3 mg/L. The ledger below shows how far over — and which filter removes it.

See the measurement ↓
The good news

Lead is well under the limit

90th-percentile lead is 3.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

A flood-prone service area

4 federal disaster declarations on record. After severe weather, watch for boil-water advisories.

See the risk factors ↓

Forestville's drinking water received a grade of A- (86.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 836 residents using purchased surface water.

Lead levels were measured at 3.0 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. 1 remains unresolved.

Forestville ranks #197 out of 513 cities in Michigan for water quality, placing it mid-range 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, Forestville may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

How the 86.8/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
44.8 / 45A
Lead & CopperLead at 3.0 ppb (90th percentile).
16 / 20B
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
5 / 10D
Source RiskWater source: Purchased surface water.
4 / 5B

02What's in Forestville's water

Every contaminant flagged in Forestville, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

2 detections · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%

Over Limit — EPA Action Level: 1.3 mg/L

Exceeds the EPA action level. Copper leaches from household plumbing — flush taps for 30 seconds before drinking, and consider a certified filter.
Exceeds Limit What to do →
2 contaminants tested under EPA SDWIS, LCR and UCMR programs · 2 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.81 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Forestville's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 3 violations on record, including 0 health-based violations. 1 remains unresolved.

All ten of the last ten years were clean — no EPA violations recorded for Forestville.

UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Forestville's water quality assessment. Grade: A- (86.8/100).
Violation2 drinking water violations recordedContaminants: TTHM, Total Haloacetic Acids (HAA5).Resolved
DisasterHURRICANE KATRINA EVACUATIONFederal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.
Violation1 drinking water violation recordedContaminants: Lead and Copper Rule.Open
DisasterSEVERE STORMS & FLOODINGFederal disaster declaration (FEMA DR-774). Flood event — may have impacted local water infrastructure.
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb2017 — 5 ppb2020 — 7 ppb2023 — 3 ppb53201720202023

Down 2 ppb since 2017. Latest reading: 3 ppb (2023) — 20% of the action level. Sampled at higher-risk homes (90th percentile).

Copper, 90th percentilemg/L · lower is better
00.5011.522.5EPA action level · 1.3 mg/L2005 — 1.4 mg/L2006 — 1.8 mg/L1.41.820052006

Up 0.46 mg/L since 2005. The latest reading (1.8 mg/L, 2006) is over the action level. Sampled at higher-risk homes (90th percentile).

04Where Forestville's water comes from

Forestville's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Purchased Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Wholesale supplier

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

1 system

1 water system, operated under local government ownership.

Delivery

836 people

Residents served across Forestville's service area.

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 836 people through 1 water system.

System namePWSIDPopulationSource
FORESTVILLE VILLAGE OF MI0002360 836 Purchased Surface Water

05Pressure on Forestville's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Flood & storm history

Recurring — declared disasters

4 federal disaster declarations on record for Sanilac County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

HURRICANE KATRINA EVACUATION Sep 2005 · DR-3225
SEVERE STORMS & FLOODING Sep 1986 · DR-774
SEVERE STORMS AND FLOODING Sep 1985 · DR-744

06How Forestville compares

Scores for nearby Michigan cities on one line, with the average marked.

Forestville (this city)
86.8 · A-
Detroit
84.1 · B+
Grand Rapids
70.2 · B-
Lansing
57.3 · C-
Ann Arbor
51.5 · D+
Kalamazoo
35 · F

dashed line = Michigan average (70/100)

Forestville scores 86.8/100above the Michigan average of 70/100. It outscores 8 of 10 nearby cities. Full Michigan rankings →

Sanilac water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Forestville's water — not generic advice.

Because of copper

Filter drinking & cooking water

Basic carbon filter for extra protection. Copper exceeds the EPA action level of 1.3 mg/L

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Forestville alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Forestville, MI tap water safe to drink?

Forestville's water quality earned a grade of A- (86.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #197 out of 513 cities tested in Michigan.

What contaminants are in Forestville's water?

Lead was measured at 3.0 ppb (90th percentile). 3 violations are on record.

How is Forestville'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 Forestville?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Forestville's water come from?

Forestville's water is sourced from Purchased surface water. The city has 1 water system serving approximately 836 residents.

How does Forestville's water compare to other cities?

Forestville ranks #197 out of 513 cities in Michigan (better than 62% of state cities) and #4440 out of 15382 cities nationally (71th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Forestville's small water system affect quality?

Forestville's system serves approximately 836 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.

Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail
About Forestville, MI: Forestville is a village in Sanilac County in the U.S. state of Michigan. The population was 104 at the 2020 census, making it the least-populous village in Michigan. It does not have a true harbor onto Lake Huron, but the village does have a boat launch site. Forestville receives city water from nearby Harbor Beach. The village is within Delaware Township. Median household income $42,500 · median home value $98,191 · median age 62.8 · 73.4% homeowners · 13.5% college educated. Wikipedia → Service area: 1 ZIP code across Sanilac.
Show ZIP codes 48434
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.