Caledonia Tap Water Quality Report
Caledonia's water has 2 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Water system
CALEDONIA TOWNSHIP
People Served
4,573
Health-based violations since 2020
0
CALEDONIA TOWNSHIP. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Nov 2024 ยท CALEDONIA TOWNSHIP
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Caledonia Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Caledonia's water has 2 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
CALEDONIA TOWNSHIP, Caledonia's water system, serves 4,573 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for CALEDONIA TOWNSHIP is from Nov 2024.
In EPA's 2023โ2026 UCMR 5 testing, CALEDONIA TOWNSHIP measured lithium at up to 20 ยตg/L, which EPA counts as above its health reference level of 10 ยตg/L. That level is a screening value EPA uses to decide what to study further, not a legal limit, and this result does not change this page's water-quality summary.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Michigan
Caledonia Water Service Areas

What these numbers actually mean for Caledonia, MI
We read Caledonia, MIโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 2 contaminants above EPA MCLGs and 5 contaminants with an EPA health goal detected in some samples (no level on file)
- 170 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in Caledonia's water
CALEDONIA TOWNSHIP
PWSID MI0001039
CALEDONIA TOWNSHIP reported 0.555 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
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Recommended Water Filters for Caledonia
Based on Caledonia's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)

AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium

Waterdrop
G3 P600
NSF Certified:
Flow Rate
600 gpm
Daily Production
600 gpd
Highlights:
- Space-saving design
- Good contaminant reduction
- NSF-58 certified
Removes 4 contaminants:

Waterdrop
G3 P800
NSF Certified:
Flow Rate
800 gpm
Daily Production
800 gpd
Highlights:
- High water production rate
- Modern design
- No tank needed
- NSF-42, NSF-53, NSF-58, NSF-372 certified
Removes 15 contaminants:
+10 more
Chlorine, Copper, Manganese, Potassium, Selenium, Total Dissolved Solids, Nitrate, Chloride, Sodium, Strontium
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What Caledonia's water readings can explain
Utility-reported data for Caledonia includes sulfate โ the readings behind these common tap water questions. We publish a city-level hardness figure for Caledonia, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Caledonia? Public-water results do not apply to private wells. See Kent County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Caledonia
Caledonia's tap water measures 29.0 grains per gallon (496.0 mg/L) โ very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 29.0 gpg water in Caledonia โ equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs โ equipment, installation labour and ten-year ownership, each separated out. For Michigan as a whole, read water softener cost in Michigan โ priced against the plumber wage published for the state.
Frequently Asked Questions About Caledonia Tap Water
Caledonia's water has 2 contaminants above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach CALEDONIA TOWNSHIP. For a problem with your water now (discolored water, no water, low pressure, a leak), contact CALEDONIA TOWNSHIP directly.
Check another location
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