Jefferson Tap Water Quality Report
Jefferson's water has 1 MCL violation on record — an enforceable limit was exceeded, which is a different thing from a result sitting above a health goal.
Utility
ASHTABULA COUNTY WATER SYSTEM
People Served
13,972
MCL Violations
1
Last Updated
Is Jefferson Tap Water Safe to Drink?
Jefferson's water has 1 MCL violation on record. A violation means an enforceable limit was actually exceeded, which is a different thing from a result sitting above a health goal — it is the case where the number genuinely matters, and a certified filter matched to the finding is worth considering.
The data below shows test results from 1 water utility serving 13,972 people in the Jefferson area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2024-08-20.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Ohio
Jefferson Water Service Areas
What these numbers actually mean for Jefferson, OH
We read Jefferson, OH’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 health goals
- 39 analytes tested
- 23 PFAS compounds on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Get Jefferson Water Alerts
EPA data, filter picks, and water quality news for OH — in your inbox.
Free forever. Unsubscribe anytime. We never share your email.
Recommended Water Filters for Jefferson
Based on Jefferson'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
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 Jefferson's water readings can explain
Utility-reported data for Jefferson includes a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Jefferson, 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 Jefferson? Public-water results do not apply to private wells. See Ashtabula County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
What a water softener costs for Jefferson's water
Jefferson's tap water measures 7.7 grains per gallon (132.0 mg/L) — hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 7.7 gpg water in Jefferson — 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.
Frequently Asked Questions About Jefferson Tap Water
Jefferson's water has 1 MCL violation on record. A violation means an enforceable federal limit was actually exceeded, which is a different thing from a result sitting above a health goal — it is the case where the number genuinely matters, and a filter certified for the contaminant involved is worth considering.
Spotted something off on this page?
Residents keep our data honest.
Check another location
Stay Informed About Your Water Quality
Get EPA reports, filter recommendations, and safety alerts for your area.
Weekly water-quality guidance for your area. Unsubscribe anytime.