Pennington Tap Water Quality Report
Pennington's water has 6 contaminants above EPA MCLGs. We recommend using a certified water filter.
Water system
PENNINGTON W DEPT
People Served
2,600
Health-based violations since 2020
0
PENNINGTON W DEPT. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Feb 2022 ยท PENNINGTON W DEPT
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Pennington Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Pennington's water has 6 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Pennington's water.
PENNINGTON W DEPT, Pennington's water system, serves 2,600 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for PENNINGTON W DEPT is from Feb 2022.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in New Jersey
Pennington Water Service Areas

What these numbers actually mean for Pennington, NJ
We read Pennington, NJโs 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.
- 6 contaminants above EPA MCLGs and 10 contaminants with an EPA health goal detected in some samples (no level on file)
- 126 results on file
- 3 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
Free forever. Unsubscribe anytime. We never share your email.
Recommended Water Filters for Pennington
Based on Pennington's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

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

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

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:
Filters for what Pennington reported
Verify Your Water Quality with Independent Testing
With 6 contaminants above EPA MCLGs and 10 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
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
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
With 6 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 Pennington's water readings can explain
Utility-reported data for Pennington includes sulfate โ the readings behind these common tap water questions. We publish a city-level hardness figure for Pennington, 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 Pennington? Public-water results do not apply to private wells. See Mercer County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Pennington
Pennington's tap water has an estimated 3.7 grains per gallon (64.0 mg/L, county sampling in Mercer County) โ moderately hard on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for an estimated 3.7 gpg water in Pennington โ 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 โ equipment, installation labour and ten-year ownership, each separated out. For New Jersey as a whole, read water softener cost in New Jersey โ priced against the plumber wage published for the state.
Frequently Asked Questions About Pennington Tap Water
Pennington's water has 6 contaminants above EPA MCLGs. 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 Pennington's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach PENNINGTON W DEPT. For a problem with your water now (discolored water, no water, low pressure, a leak), contact PENNINGTON W DEPT directly.
Check another location
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
One email a week. Unsubscribe anytime.