Is Twin Lake, MI Tap Water Safe to Drink?
Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
90.9/100
waterverge.com Twin Lake, MI — Water Quality Report
Twin Lake's drinking water received a grade of A (90.9 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 755 residents using groundwater.
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 8 violations on record, including 2 health-based violations. 2 remain unresolved.
What to know about Twin Lake's water
Twin Lake ranks #96 out of 520 cities in Michigan for water quality, placing it above average in the state.
Twin Lake relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Twin Lake may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Twin Lake, MI water safe to drink?
Twin Lake's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (90.9/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 755 residents using groundwater (wells).
Recent water quality updates for Twin Lake
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Twin Lake's water quality assessment. Grade: A (90.9/100).
Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-4121). Flood event — may have impacted local water infrastructure.
Contaminants: Coliform (TCR).
1 health-based. Contaminants: Coliform (TCR).
Federal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Twin Lake's water supply.
Well within EPA limits.
Violation history
Twin Lake's water system has 8 total violations on record, including 2 health-based violations. 2 remain unresolved.
Flood & environmental risk
Muskegon County has experienced 5 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 Bear Creek, White River.
Where does Twin Lake's water come from?
Twin Lake's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 755 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Bear Creek (river), White River (river).
What Twin Lake 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.
Twin Lake'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 Twin Lake
Industrial polluters nearby
Reported releases to surface water by facilities near Twin Lake, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
ALUDYNE MONTAGUE LLC MONTAGUE, MI49437 | — | — | 9.9 mi |
MPLX TERMINALS LLC - NORTH MUSKEGON MI TERMINAL NORTH MUSKEGON, MI49445 | — | — | 7.5 mi |
HOWMET CORP - PLANT 5 WHITEHALL, MI49461 | — | — | 7.8 mi |
HOWMET CORP-PLANT 10 WHITEHALL, MI49461 | — | — | 7.8 mi |
HOWMET CORP - PLANT 4 WHITEHALL, MI49461 | — | — | 8.2 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Twin Lake
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.
- OTT STORY CORDOVA CHEMICAL CO5.8 mi
- MUSKEGON CHEMICAL CO7.7 mi
Source: EPA Superfund National Priorities List
Flood & disaster history
Muskegon County has experienced 5 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level (90th percentile)
Latest reading: 0.0 ppb (2023)
EPA action level: 15 ppb
See how Twin Lake compares by contaminant
Explore where Twin Lake ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Twin Lake's water comes from
Twin Lake's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by private ownership and serves approximately 755 people through 1 water system.
Water bodies near Twin Lake
Twin Lake is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Twin Lake
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TIMBERLINE ESTATES | MI0040363 | 755 | GW |
How Twin Lake compares
Full Michigan rankings →Twin Lake's score of 90.9/100 is above the average of 70/100 among major Michigan cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Twin Lake, MI
Learn more about your water
Guides and resources related to Twin Lake's water quality findings.
Explore water quality across Muskegon
Frequently asked questions
Is Twin Lake, MI tap water safe to drink?
Twin Lake's water quality earned a grade of A (90.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #96 out of 520 cities tested in Michigan.
What contaminants are in Twin Lake's water?
Lead was measured at 0.0 ppb (90th percentile). 8 violations are on record.
How is Twin Lake'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 Twin Lake?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Twin Lake's water come from?
Twin Lake's water is sourced from Groundwater. The city has 1 water system serving approximately 755 residents.
What health violations has Twin Lake's water system had?
Twin Lake has 2 health-based violations on record. The most recent violation was recorded in September 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.
Is Twin Lake's groundwater at risk of contamination?
Twin Lake uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 8 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Twin Lake's water compare to other cities?
Twin Lake ranks #96 out of 520 cities in Michigan (better than 82% of state cities) and #1992 out of 15744 cities nationally (87th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Twin Lake's small water system affect quality?
Twin Lake's system serves approximately 755 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 8 violations on record.