West Caldwell Tap Water Quality Report
West Caldwell's water has 4 contaminants above EPA MCLGs. We recommend using a certified water filter.
Water system
WEST CALDWELL WATER DEPARTMENT
People Served
10,759
Health-based violations since 2020
4
WEST CALDWELL WATER DEPARTMENT. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Apr 2025 · WEST CALDWELL WATER DEPARTMENT
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is West Caldwell Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: West Caldwell'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 West Caldwell's water.
WEST CALDWELL WATER DEPARTMENT, West Caldwell's water system, serves 10,759 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for WEST CALDWELL WATER DEPARTMENT is from Apr 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in New Jersey
West Caldwell Water Service Areas
What these numbers actually mean for West Caldwell, NJ
We read West Caldwell, NJ’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.
- 4 contaminants above EPA MCLGs and 1 contaminant with an EPA health goal detected in some samples (no level on file)
- 40 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for West Caldwell
Based on West Caldwell'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
Verify Your Water Quality with Independent Testing
With 4 contaminants above EPA MCLGs and 1 contaminant 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 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 West Caldwell's water readings can explain
Utility-reported data for West Caldwell includes manganese and a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for West Caldwell, 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.
Water softener cost and installation in West Caldwell
West Caldwell's tap water measures 5.0 grains per gallon (86.4 mg/L) — moderately hard on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for 5.0 gpg water in West Caldwell — 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 New Jersey as a whole, read water softener cost in New Jersey — priced against the plumber wage published for the state.
Frequently Asked Questions About West Caldwell Tap Water
West Caldwell's water has 4 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 West Caldwell's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach WEST CALDWELL WATER DEPARTMENT. For a problem with your water now (discolored water, no water, low pressure, a leak), contact WEST CALDWELL WATER DEPARTMENT directly.
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