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Columbus Junction Tap Water Quality Report
Columbus Junction's water has 2 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Water system
COLUMBUS JUNCTION WATER SUPPLY
People Served
1,830
Health-based violations since 2020
0
COLUMBUS JUNCTION WATER SUPPLY. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Is Columbus Junction 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. Columbus Junction's water has 2 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
COLUMBUS JUNCTION WATER SUPPLY, Columbus Junction's water system, serves 1,830 people. Water quality testing is conducted regularly and reported to the EPA.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Iowa
What these numbers actually mean for Columbus Junction, Iowa
We read Columbus Junction, Iowa’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
- 9 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Columbus Junction's water
COLUMBUS JUNCTION WATER SUPPLY
PWSID IA5815064
No fluoride level in our data for COLUMBUS JUNCTION WATER SUPPLY. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for Columbus Junction
Based on Columbus Junction's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with “normal” faster faucet flow
Removes 1 contaminants:
Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
Removes 5 contaminants:
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Filters for what Columbus Junction reported
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
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.
What Columbus Junction's water readings can explain
We publish a city-level hardness figure for Columbus Junction, 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 Columbus Junction? Public-water results do not apply to private wells. See Louisa County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Columbus Junction
Columbus Junction's tap water has an estimated 13.7 grains per gallon (233.5 mg/L, county sampling in Louisa 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 13.7 gpg water in Columbus Junction — 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 Columbus Junction Tap Water
Columbus Junction'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 COLUMBUS JUNCTION WATER SUPPLY. For a problem with your water now (discolored water, no water, low pressure, a leak), contact COLUMBUS JUNCTION WATER SUPPLY directly.
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