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D39/100

WEST CALDWELL WATER DEPARTMENT — Water Quality Report 2026

Serving 10,759 people · New Jersey

Water Source
Purchased Surface Water
County
—
System ID
NJ0721001
Violations
30

Contaminant Test Results

3 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
PFOA
0.008 µg/L0.004 µg/LOver Limit
PFOS
0.004 µg/L0.004 µg/LOver Limit
1,4-dioxane
0.700 µg/L—Above Goal

EPA Violation History

12

Violations (last 5yr)

6

Unresolved

2

Health-Related

TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: June 19, 2025 – August 8, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: March 11, 2025 – March 19, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: February 1, 2025 – February 28, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2025 – March 31, 2025Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: December 3, 2024 – August 8, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2024 – December 31, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Public notification violation

When: July 1, 2024 – December 31, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – June 30, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Public notification violation

When: January 1, 2024 – June 30, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2021 – December 31, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About WEST CALDWELL WATER DEPARTMENT

Is WEST CALDWELL WATER DEPARTMENT water safe to drink?

WEST CALDWELL WATER DEPARTMENT water receives a grade of D (39/100), which is considered poor. 2 contaminant(s) exceed EPA legal limits and 30 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has WEST CALDWELL WATER DEPARTMENT detected?

69 contaminants were tested in WEST CALDWELL WATER DEPARTMENT's water. Notable contaminants include PFOA, PFOS, 1,4-dioxane. 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).

Does WEST CALDWELL WATER DEPARTMENT have any EPA violations?

Yes, WEST CALDWELL WATER DEPARTMENT has 30 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, RPT. 3 are health-based violations.

How many people does WEST CALDWELL WATER DEPARTMENT serve?

WEST CALDWELL WATER DEPARTMENT serves approximately 10,759 people, New Jersey. The system provides water to 1 community: West Caldwell Boro-0721.

What type of water does WEST CALDWELL WATER DEPARTMENT provide?

WEST CALDWELL WATER DEPARTMENT sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NJ0721001.

How does WEST CALDWELL WATER DEPARTMENT compare to other utilities in New Jersey?

WEST CALDWELL WATER DEPARTMENT scores 39/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our New Jersey state page for a full comparison of water systems.

Cities Served

West Caldwell Boro-0721