City water profile

Water hardness in Lawrence

Find official utility reports, understand hardness, and check the water system serving your home in Lawrence, Indiana.

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.

City Of Lawrence Utilities

IN5249005 · Groundwater · 49,000 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (3)

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: 7.6e-4 mg/L
Action level: 0.015 mg/L

5% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level

Reported level: 1.4 mg/L
Action level: 1.3 mg/L

108% of the listed benchmark

Monitoring period: Jan 1, 2015 to Dec 31, 2017

TTHM

EPA SDWIS reported health-based violation

Reported violation

Reported level: 87.7 UG/L
Maximum contaminant level: 0.08 UG/L

109625% of the listed benchmark

Monitoring period: Jan 1, 2026 to Mar 31, 2026

Violation history (7)

Imported violation history for City Of Lawrence Utilities
Rule	Status	Period
TTHMHealth-based	Archived	Jan 1, 2026 to Mar 31, 2026
TTHMHealth-based	Archived	Oct 1, 2025 to Dec 31, 2025
TTHMHealth-based	Archived	Jul 1, 2025 to Sep 30, 2025
TTHMHealth-based	Archived	Apr 1, 2025 to Jun 30, 2025
Revised Total Coliform Rule	Resolved	Jan 1, 2022 to Feb 23, 2022
Revised Total Coliform RuleHealth-based	Resolved	Aug 1, 2021 to Aug 31, 2021
Public Notice	Resolved	Aug 1, 2021 to Apr 27, 2022

City summary

What the indexed records say

Lawrence has 2 published ZIP profiles across Marion County. The regional-evidence median is 331 PPM. The city does not meet the stricter comparison standard.

The 330.5–331 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard2 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 13.1 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Oct 27, 2020 to Sep 10, 2025.

ZIP directory

Water reports in Lawrence

Open a ZIP for site-level provenance and measurements.

ZIP code

46216

Very Hard

331 PPM

Nearest site: 13.1 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

46236

Very Hard

330.5 PPM

Nearest site: 11 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 Indiana communities

Greenwood

Johnson County

331 PPM median

Roachdale

Putnam County

331 PPM median

Albany

Delaware County

332 PPM median

Kokomo

Howard County

334 PPM median

Mitchell

Lawrence County

336 PPM median

Washington

Daviess County

336 PPM median

Search all 386 Indiana cities →

Questions people ask

About water in Lawrence

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.