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Mallard Tap Water Quality Report
Mallard'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
MALLARD WATER SUPPLY
People Served
257
Health-based violations since 2020
14
MALLARD WATER SUPPLY. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Apr 2022 · MALLARD WATER SUPPLY
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Mallard 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. Mallard's water has 2 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL).
MALLARD WATER SUPPLY, Mallard's water system, serves 257 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for MALLARD WATER SUPPLY is from Apr 2022.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Iowa
Mallard Water Service Areas
What these numbers actually mean for Mallard, IA
We read Mallard, 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), 1 contaminant with an EPA health goal detected in some samples (no level on file) and 4 health-based EPA violations that began after the latest compliance result on file
- 27 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Mallard's water
MALLARD WATER SUPPLY
PWSID IA7450019
MALLARD WATER SUPPLY reported 0.33 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
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Recommended Water Filters for Mallard
Based on Mallard's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA's health goals (MCLGs) or legal limits (MCL).
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
Verify Your Water Quality with Independent Testing
With 2 contaminants above EPA MCLGs and 1 above EPA's legal limit (MCL), 1 contaminant with an EPA health goal detected in some samples (no level on file) and 4 health-based EPA violations that began after the latest compliance result 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 Mallard's water readings can explain
Utility-reported data for Mallard includes manganese — the readings behind these common tap water questions. We publish a city-level hardness figure for Mallard, 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 Mallard? Public-water results do not apply to private wells. See Palo Alto County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Mallard
Mallard's tap water has an estimated 23.7 grains per gallon (406.0 mg/L, county sampling in Palo Alto 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 23.7 gpg water in Mallard — 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 Mallard Tap Water
Mallard'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. EPA records 4 health-based violations for MALLARD WATER SUPPLY that began after its latest compliance result on file (Apr 2022): Maximum Contaminant Level Violation, Average (Arsenic), 4 violations, the first beginning on January 1, 2024 and the latest on October 1, 2024. Every such result predates them, so none can show the water met the standard since, and this page does not call the water safe.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach MALLARD WATER SUPPLY. For a problem with your water now (discolored water, no water, low pressure, a leak), contact MALLARD WATER SUPPLY directly.
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