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Wallingford Tap Water Quality Report
Wallingford's water has 2 contaminants above EPA MCLGs and 2 above EPA's legal limit (MCL, enforceable from April 26, 2029). We recommend using a certified water filter.
Water system
WALLINGFORD WATER DEPARTMENT
People Served
37,267
Health-based violations since 2020
0
WALLINGFORD WATER DEPARTMENT. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Apr 2026 ยท WALLINGFORD WATER DEPARTMENT
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Wallingford Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Wallingford's water has 4 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Wallingford's water.
WALLINGFORD WATER DEPARTMENT, Wallingford's water system, serves 37,267 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for WALLINGFORD WATER DEPARTMENT is from Apr 2026.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Connecticut
Wallingford Water Service Areas

What these numbers actually mean for Wallingford, CT
We read Wallingford, CTโs 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 2 above EPA's legal limit (MCL, enforceable from April 26, 2029) and 26 contaminants with an EPA health goal detected in some samples (no level on file)
- 149 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in Wallingford's water
WALLINGFORD WATER DEPARTMENT
PWSID CT1480011
WALLINGFORD WATER DEPARTMENT reported 0.805 mg/L, at or above the 0.7 mg/L U.S. Public Health Service recommendation and below the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level.
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Recommended Water Filters for Wallingford
Based on Wallingford's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA's health goals (MCLGs) or legal limits (MCL).

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 โnormalโ 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
Verify Your Water Quality with Independent Testing
With 2 contaminants above EPA MCLGs and 2 above EPA's legal limit (MCL, enforceable from April 26, 2029) and 26 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
PFAS Forever Chemicals Test
$339.95
Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.
With 4 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 Wallingford's water readings can explain
Utility-reported data for Wallingford includes turbidity, sulfate and a chlorine-based disinfectant โ the readings behind these common tap water questions. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Wallingford? Public-water results do not apply to private wells. See South Central Connecticut Planning Region well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About Wallingford Tap Water
Wallingford's water has 2 contaminants above EPA MCLGs and 2 above EPA's legal limit (MCL, enforceable from April 26, 2029). We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Wallingford's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach WALLINGFORD WATER DEPARTMENT. For a problem with your water now (discolored water, no water, low pressure, a leak), contact WALLINGFORD WATER DEPARTMENT directly.
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