Is Tekonsha, MI Tap Water Safe to Drink?
Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
92.8/100
waterverge.com Tekonsha, MI — Water Quality Report
Tekonsha's drinking water received a grade of A (92.8 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 722 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 16 violations on record, including 9 health-based violations. 3 remain unresolved.
What to know about Tekonsha's water
Tekonsha ranks #53 out of 520 cities in Michigan for water quality, placing it above average in the state.
Tekonsha 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, Tekonsha may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Tekonsha, MI water safe to drink?
Tekonsha's drinking water has significant quality concerns based on EPA testing data. With a grade of A (92.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 722 residents using groundwater (wells).
Recent water quality updates for Tekonsha
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Tekonsha's water quality assessment. Grade: A (92.8/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Consumer Confidence Rule.
1 health-based. Contaminants: Coliform (TCR).
Federal disaster declaration (FEMA DR-3225). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-631). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Tekonsha's water supply.
Well within EPA limits.
Violation history
Tekonsha's water system has 16 total violations on record, including 9 health-based violations. 3 remain unresolved.
Flood & environmental risk
Calhoun County has experienced 3 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 St. Joseph River, Hog Creek.
Where does Tekonsha's water come from?
Tekonsha's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 722 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include St. Joseph River (river), Hog Creek (river).
What Tekonsha residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Tekonsha's water.
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.
Tekonsha'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 Tekonsha
Industrial polluters nearby
Reported releases to surface water by facilities near Tekonsha, ranked by pounds discharged annually.
Total reported releases to surface water: 7 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
ASAMA COLDWATER MANUFACTURING COLDWATER, MI49036 | Manganese | 7 | 10.0 mi |
ARCOSA SHORING PRODUCTS 1596 UNION CITY, MI49094 | — | — | 7.1 mi |
ARCOSA SHORING PRODUCTS INC UNION CITY, MI49094 | — | — | 8.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Calhoun County has experienced 3 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 Tekonsha compares by contaminant
Explore where Tekonsha ranks among all Michigan cities for specific contaminants.
Water source & infrastructure
Where Tekonsha's water comes from
Tekonsha'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 local government ownership and serves approximately 722 people through 1 water system.
Water bodies near Tekonsha
Tekonsha is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Tekonsha
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TEKONSHA | MI0006562 | 722 | GW |
How Tekonsha compares
Full Michigan rankings →Tekonsha's score of 92.8/100 is above the average of 70/100 among major Michigan cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Michigan rankings →About Tekonsha, MI
Learn more about your water
Guides and resources related to Tekonsha's water quality findings.
Explore water quality across Calhoun
Frequently asked questions
Is Tekonsha, MI tap water safe to drink?
Tekonsha's water quality earned a grade of A (92.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #53 out of 520 cities tested in Michigan.
What contaminants are in Tekonsha's water?
Lead was measured at 0.0 ppb (90th percentile). 16 violations are on record.
How is Tekonsha'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 Tekonsha?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Tekonsha's water come from?
Tekonsha's water is sourced from Groundwater. The city has 1 water system serving approximately 722 residents.
What health violations has Tekonsha's water system had?
Tekonsha has 9 health-based violations on record. The most recent violation was recorded in July 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
Is Tekonsha's groundwater at risk of contamination?
Tekonsha 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 16 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 Tekonsha's water compare to other cities?
Tekonsha ranks #53 out of 520 cities in Michigan (better than 90% of state cities) and #1121 out of 15744 cities nationally (93th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Tekonsha's small water system affect quality?
Tekonsha's system serves approximately 722 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 16 violations on record.