City water profile

Water hardness in Cedar Lake

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

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 8
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.

Cedar Lake Water Works

IN5245047 · Groundwater · 4,600 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 (1)

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: 0.0011 mg/L
Action level: 0.015 mg/L

7% of the listed benchmark

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

Violation history (53)

Imported violation history for Cedar Lake Water Works
Rule	Status	Period
Consumer Confidence Rule	Resolved	Jul 1, 2025 to Dec 5, 2025
Consumer Confidence Rule	Resolved	Jul 1, 2025 to Dec 5, 2025
Groundwater RuleHealth-based	Resolved	Apr 29, 2025 to Aug 27, 2025
Consumer Confidence Rule	Resolved	Oct 7, 2024 to Feb 25, 2025
Consumer Confidence Rule	Resolved	Jul 1, 2024 to Sep 10, 2024
Radium-226	Resolved	Apr 1, 2024 to Jun 30, 2024
Radium-228	Resolved	Apr 1, 2024 to Jun 30, 2024
Gross Alpha, Excl. Radon and U	Resolved	Apr 1, 2024 to Jun 30, 2024
TTHM	Archived	Jan 1, 2024 to Dec 31, 2024
Total Haloacetic Acids (HAA5)	Archived	Jan 1, 2024 to Dec 31, 2024
CYANIDE	Resolved	Jan 1, 2024 to Dec 31, 2024
Mercury	Resolved	Jan 1, 2024 to Dec 31, 2024
Nickel	Resolved	Jan 1, 2024 to Dec 31, 2024
Antimony, Total	Resolved	Jan 1, 2024 to Dec 31, 2024
Thallium, Total	Resolved	Jan 1, 2024 to Dec 31, 2024
Beryllium, Total	Resolved	Jan 1, 2024 to Dec 31, 2024
Selenium	Resolved	Jan 1, 2024 to Dec 31, 2024
Endrin	Archived	Jan 1, 2024 to Dec 31, 2024
BHC-GAMMA	Archived	Jan 1, 2024 to Dec 31, 2024
Toxaphene	Archived	Jan 1, 2024 to Dec 31, 2024
Glyphosate	Archived	Jan 1, 2024 to Dec 31, 2024
Di(2-ethylhexyl) adipate	Archived	Jan 1, 2024 to Dec 31, 2024
OXAMYL	Archived	Jan 1, 2024 to Dec 31, 2024
Simazine	Archived	Jan 1, 2024 to Dec 31, 2024
Picloram	Archived	Jan 1, 2024 to Dec 31, 2024
Atrazine	Archived	Jan 1, 2024 to Dec 31, 2024
LASSO	Archived	Jan 1, 2024 to Dec 31, 2024
Heptachlor epoxide	Archived	Jan 1, 2024 to Dec 31, 2024
2,4-D	Archived	Jan 1, 2024 to Dec 31, 2024
2,4,5-TP	Archived	Jan 1, 2024 to Dec 31, 2024
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Jan 1, 2024 to Dec 31, 2024
Barium	Resolved	Jan 1, 2024 to Dec 31, 2024
Chlordane	Archived	Jan 1, 2024 to Dec 31, 2024
Fluoride	Resolved	Jan 1, 2024 to Dec 31, 2024
Arsenic	Resolved	Jan 1, 2024 to Dec 31, 2024
Dalapon	Archived	Jan 1, 2024 to Dec 31, 2024
Di(2-ethylhexyl) phthalate	Archived	Jan 1, 2024 to Dec 31, 2024
Dinoseb	Archived	Jan 1, 2024 to Dec 31, 2024
Chromium	Resolved	Jan 1, 2024 to Dec 31, 2024
Cadmium	Resolved	Jan 1, 2024 to Dec 31, 2024
Methoxychlor	Archived	Jan 1, 2024 to Dec 31, 2024
Diquat	Archived	Jan 1, 2024 to Dec 31, 2024
Lead and Copper Rule	Unaddressed	Jan 1, 2024
Endothall	Archived	Jan 1, 2024 to Dec 31, 2024
Heptachlor	Archived	Jan 1, 2024 to Dec 31, 2024
Benzo(a)pyrene	Archived	Jan 1, 2024 to Dec 31, 2024
HEXACHLOROBENZENE	Archived	Jan 1, 2024 to Dec 31, 2024
ETHYLENE DIBROMIDE	Archived	Jan 1, 2024 to Dec 31, 2024
Carbofuran	Archived	Jan 1, 2024 to Dec 31, 2024
Hexachlorocyclopentadiene	Archived	Jan 1, 2024 to Dec 31, 2024
Pentachlorophenol	Archived	Jan 1, 2024 to Dec 31, 2024
Revised Total Coliform Rule	Resolved	Feb 1, 2023 to Feb 28, 2023
TTHM	Archived	Jan 1, 2023 to Dec 31, 2023

Lakeshore Subdivision Association, Inc.

IN5245053 · Groundwater · 265 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 (1)

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: 0.002 mg/L
Action level: 0.015 mg/L

13% of the listed benchmark

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

Violation history (2)

Imported violation history for Lakeshore Subdivision Association, Inc.
Rule	Status	Period
Consumer Confidence Rule	Unaddressed	Jul 1, 2025
Lead and Copper Rule	Resolved	Jan 1, 2022 to Oct 17, 2024

Fairway Regional Water District

IN5245009 · Groundwater · 210 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 (1)

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, 2022 to Dec 31, 2024

Violation history (5)

Imported violation history for Fairway Regional Water District
Rule	Status	Period
Groundwater Rule	Unaddressed	Aug 23, 2025
LEAD AND COPPER RULE REVISIONS	Resolved	Oct 17, 2024 to Nov 16, 2024
LEAD AND COPPER RULE REVISIONSHealth-based	Resolved	Oct 17, 2024 to Nov 16, 2024
Consumer Confidence Rule	Resolved	Jul 1, 2024 to Aug 2, 2024
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Aug 17, 2022

Cedar Lake Mobile Home Park

IN5245005 · Groundwater · 200 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 (1)

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: 1.0e-4 mg/L
Action level: 0.015 mg/L

1% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Cedar Lake Bible Conference Grounds

IN5245055 · Groundwater · 150 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 (1)

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: 0.0046 mg/L
Action level: 0.015 mg/L

31% of the listed benchmark

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

Violation history (1)

Imported violation history for Cedar Lake Bible Conference Grounds
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Feb 1, 2021 to Feb 28, 2021

Noble Oaks Subdivision Water Association

IN5245054 · Groundwater · 70 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 (1)

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: 0.0013 mg/L
Action level: 0.015 mg/L

9% of the listed benchmark

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

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

Sunset Harbor Condominiums

IN5245028 · Groundwater · 40 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 (1)

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: 0.0014 mg/L
Action level: 0.015 mg/L

9% of the listed benchmark

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

Violation history (1)

Imported violation history for Sunset Harbor Condominiums
Rule	Status	Period
Consumer Confidence Rule	Resolved	Jul 1, 2024 to Aug 19, 2024

Cedar Gardens Mhp

IN5245050 · Groundwater · 34 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 (1)

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: 3.0e-4 mg/L
Action level: 0.015 mg/L

2% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (1)

Imported violation history for Cedar Gardens Mhp
Rule	Status	Period
Consumer Confidence Rule	Unaddressed	Jul 1, 2025

City summary

What the indexed records say

Cedar Lake has 1 published ZIP profile across Lake County. The regional-evidence median is 249 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

Hard0 ZIPs

Very hard1 ZIP

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: 10.3 miles
Profiles with evidence: 1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Aug 3, 2020 to Jun 30, 2021.

ZIP directory

Water reports in Cedar Lake

Open a ZIP for site-level provenance and measurements.

ZIP code

46303

Very Hard

249 PPM

Nearest site: 10.3 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

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Search all 386 Indiana cities →

Questions people ask

About water in Cedar Lake

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.