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Dedham Tap Water Quality Report
Dedham's water has 2 contaminants above EPA MCLGs and 1 above EPA's legal limit (MCL). Consider using a certified water filter for additional protection.
Water system
DEDHAM WATER SUPPLY
People Served
224
Health-based violations since 2020
4
DEDHAM WATER SUPPLY. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
May 2022 · DEDHAM WATER SUPPLY
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Dedham 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. Dedham's water has 2 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL).
DEDHAM WATER SUPPLY, Dedham's water system, serves 224 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for DEDHAM WATER SUPPLY is from May 2022.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Iowa
Dedham Water Service Areas
What these numbers actually mean for Dedham, IA
We read Dedham, IA’s published record and send you a short report — 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 1 above EPA's legal limit (MCL) and 3 contaminants with an EPA health goal detected in some samples (no level on file)
- 17 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Dedham's water
DEDHAM WATER SUPPLY
PWSID IA1433016
No fluoride level in our data for DEDHAM WATER SUPPLY. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for Dedham
Based on Dedham's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA's health goals (MCLGs) or legal limits (MCL).
iSpring Water Systems LLC
RCC7-BLK
NSF Certified:
Daily Production
25.41 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 25.41 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 9 contaminants:
+4 more
Fluoride, Lead, Selenium, Total Dissolved Solids
iSpring Water Systems LLC
RCC7AK-UVBLK
NSF Certified:
Daily Production
25.41 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 25.41 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 9 contaminants:
+4 more
Fluoride, Lead, Selenium, Total Dissolved Solids
iSpring Water Systems LLC
RCC7AK-BN
NSF Certified:
Daily Production
25.41 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 25.41 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 9 contaminants:
+4 more
Fluoride, Lead, Selenium, Total Dissolved Solids
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
Verify Your Water Quality with Independent Testing
With 2 contaminants above EPA MCLGs and 1 above EPA's legal limit (MCL) and 3 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 3 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Dedham's water readings can explain
We publish a city-level hardness figure for Dedham, 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 Dedham? Public-water results do not apply to private wells. See Carroll County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Dedham
Dedham's tap water has an estimated 19.0 grains per gallon (325.0 mg/L, county sampling in Carroll County) — very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for an estimated 19.0 gpg water in Dedham — 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 — equipment, installation labour and ten-year ownership, each separated out. For Iowa as a whole, read water softener cost in Iowa — priced against the plumber wage published for the state.
Frequently Asked Questions About Dedham Tap Water
Dedham's water has 2 contaminants above EPA MCLGs and 1 above EPA's legal limit (MCL). 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 DEDHAM WATER SUPPLY. For a problem with your water now (discolored water, no water, low pressure, a leak), contact DEDHAM WATER SUPPLY directly.
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