Cardwell Tap Water Quality Report
Cardwell's water has 2 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Other systems listed for Cardwell with results above guidelines: DUNKLIN COUNTY PWSD 2 (1 above guidelines)
People Served
701
Health-based violations since 2020
0
CARDWELL PWS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Dec 2020 · CARDWELL PWS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Cardwell 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. Cardwell's water has 2 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
CARDWELL PWS, Cardwell's water system, serves 701 people. 1 other system is listed for Cardwell. Each system's results are listed under its own name, never added to CARDWELL PWS's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for CARDWELL PWS is from Dec 2020.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Missouri
Cardwell Water Service Areas
What these numbers actually mean for Cardwell, MO
We read Cardwell, MO’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 2 contaminants with an EPA health goal detected in some samples (no level on file)
- 18 results on file
- No PFAS results on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Cardwell's water
DUNKLIN COUNTY PWSD 2
PWSID MO4024207
DUNKLIN COUNTY PWSD 2 reported 0.35 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.
CARDWELL PWS
PWSID MO4010137
No fluoride level in our data for CARDWELL PWS. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for Cardwell
Based on Cardwell'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
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 Cardwell's water readings can explain
We publish a city-level hardness figure for Cardwell, 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 Cardwell? Public-water results do not apply to private wells. See Dunklin County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Cardwell
Cardwell's tap water has an estimated 9.2 grains per gallon (157.0 mg/L, county sampling in Dunklin County) — hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for an estimated 9.2 gpg water in Cardwell — 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 Missouri as a whole, read water softener cost in Missouri — priced against the plumber wage published for the state.
Frequently Asked Questions About Cardwell Tap Water
Cardwell'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 CARDWELL PWS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact CARDWELL PWS directly.
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