City water profile

Water hardness in Kinnelon

Find official utility reports, understand hardness, and check the water system serving your home in Kinnelon, New Jersey.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 0

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Kinnelon Water Dept

NJ1415002 · Surface water · 1,938 people served system-wide

A municipal system, in-state city, and served county all agree with this Census ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (2)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2026 to Jun 30, 2026

TTHM

EPA SDWIS reported health-based violation

Reported violation

Reported level: 0.081 MG/L
Maximum contaminant level: 0.08 MG/L

101% of the listed benchmark

Monitoring period: Oct 1, 2023 to Dec 31, 2023

Violation history (12)

Imported violation history for Kinnelon Water Dept
Rule	Status	Period
Surface Water Treatment Rule	Archived	Feb 1, 2025 to Feb 28, 2025
Revised Total Coliform RuleHealth-based	Resolved	Aug 30, 2024 to Feb 20, 2026
Lead and Copper Rule	Archived	Jul 1, 2024 to Dec 31, 2024
Revised Total Coliform Rule	Resolved	Jun 11, 2024 to May 21, 2024
Revised Total Coliform Rule	Resolved	May 1, 2024 to May 21, 2024
Lead and Copper Rule	Resolved	Jan 1, 2024 to Jun 30, 2024
TTHMHealth-based	Resolved	Oct 1, 2023 to Dec 31, 2023
Lead and Copper Rule	Resolved	Jul 1, 2023 to Dec 31, 2023
Lead and Copper Rule	Resolved	Sep 29, 2022 to Mar 31, 2023
Lead and Copper Rule	Resolved	Jan 1, 2022 to Mar 15, 2022
Lead and Copper RuleHealth-based	Resolved	Aug 16, 2021 to Dec 9, 2021
Lead and Copper Rule	Resolved	Jan 1, 2021 to Jun 30, 2021

City summary

What the indexed records say

Kinnelon has 1 published ZIP profile across Morris County. The regional-evidence median is 123 PPM. The city does not meet the stricter comparison standard.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard1 ZIP

Very hard0 ZIPs

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 1.1 miles
Profiles with evidence: 1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Aug 1, 2016 to Sep 25, 2023.

ZIP directory

Water reports in Kinnelon

Open a ZIP for site-level provenance and measurements.

ZIP code

07405

Hard

123 PPM

Nearest site: 1.1 mi
Confidence: Moderate

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other New Jersey communities

Boonton

Morris County

127 PPM median

Dover

Morris County

267 PPM median

Florham Park

Morris County

238 PPM median

Lincoln Park

Morris County

126 PPM median

Madison

Morris County

227 PPM median

Netcong

Morris County

280 PPM median

Search all 60 New Jersey cities →

Questions people ask

About water in Kinnelon

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.