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Knottsville Tap Water Quality Report
Knottsville's water has 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029). Consider using a certified water filter for additional protection.
Water system
E DAVIESS CO WATER ASSOC INC
People Served
11,997
Health-based violations since 2020
0
E DAVIESS CO WATER ASSOC INC. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Sep 2023 ยท E DAVIESS CO WATER ASSOC INC
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Knottsville 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. Knottsville's water has 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029).
E DAVIESS CO WATER ASSOC INC, Knottsville's water system, serves 11,997 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for E DAVIESS CO WATER ASSOC INC is from Sep 2023.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Kentucky
Knottsville Water Service Areas

What these numbers actually mean for Knottsville, KY
We read Knottsville, KYโs 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.
- 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029)
- 27 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in Knottsville's water
E DAVIESS CO WATER ASSOC INC
PWSID KY0300109
No fluoride level in our data for E DAVIESS CO WATER ASSOC INC. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for Knottsville
Based on Knottsville'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
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
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.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
What Knottsville's water readings can explain
Utility-reported data for Knottsville includes 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 Knottsville? Public-water results do not apply to private wells. See Daviess County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About Knottsville Tap Water
Knottsville's water has 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029). 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 E DAVIESS CO WATER ASSOC INC. For a problem with your water now (discolored water, no water, low pressure, a leak), contact E DAVIESS CO WATER ASSOC INC directly.
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