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City water profile

Water hardness in Cedar Rapids

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

Utility-reported hardness

Not yet available

Check your provider and source →
State comparison
At state median
Evidence comparison rank
#1 of 1
Matched utilities
9
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 →

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 Rapids Water Department

IA5715093 · Groundwater influenced by surface water · 142,364 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
0.0016 mg/L
Action level
0.015 mg/L

11% of the listed benchmark

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

Violation history (0)

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

Yes Five Seasons Cedar Llc

IA5715602 · Groundwater influenced by surface water · 994 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 (0)

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.

No comparable numerical result available

Federal SDWIS data does not provide a usable numerical result and benchmark for this profile. Missing data is not a pass. Check the serving utility's current Consumer Confidence Report.

Violation history (0)

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

Cedar Terrace Mhc

IA5700600 · Groundwater influenced by surface water · 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 mg/L
Action level
0.015 mg/L

0% 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.

Oak Valley

IA5784311 · Groundwater · 100 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, 2023 to Dec 31, 2025

Violation history (14)
Imported violation history for Oak Valley
RuleStatusPeriod
Lead and Copper RuleResolvedDec 1, 2025 to Feb 2, 2026
Public NoticeResolvedMar 6, 2025 to Aug 4, 2025
Public NoticeResolvedOct 22, 2024 to Aug 4, 2025
NitrateResolvedJul 1, 2024 to Sep 30, 2024
E. COLIResolvedJun 16, 2024 to Jun 27, 2024
Lead and Copper RuleResolvedDec 1, 2022 to Nov 9, 2023
Public NoticeResolvedOct 12, 2022 to Jun 30, 2023
Total Haloacetic Acids (HAA5)ResolvedAug 1, 2022 to Aug 31, 2022
TTHMResolvedAug 1, 2022 to Aug 31, 2022
Public NoticeUnaddressedJul 13, 2022
Consumer Confidence RuleResolvedJul 1, 2022 to Jul 3, 2023
Lead and Copper RuleUnaddressedDec 1, 2019
Public NoticeUnaddressedAug 1, 2013
Public NoticeUnaddressedJul 1, 2013

Midway Water And Lighting

IA5784302 · Groundwater · 72 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
0.007 mg/L
Action level
0.015 mg/L

47% of the listed benchmark

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

Violation history (2)
Imported violation history for Midway Water And Lighting
RuleStatusPeriod
TTHMResolvedAug 1, 2023 to Aug 31, 2023
Total Haloacetic Acids (HAA5)ResolvedAug 1, 2023 to Aug 31, 2023

Brittany Estates Homeowners Association

IA5715301 · Groundwater · 72 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, 2021 to Dec 31, 2023

Violation history (0)

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

Crestwood Acres

IA5784314 · Groundwater · 50 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
0.004 mg/L
Action level
0.015 mg/L

27% of the listed benchmark

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

Violation history (6)
Imported violation history for Crestwood Acres
RuleStatusPeriod
Lead and Copper RuleResolvedDec 1, 2024 to Feb 2, 2026
Public NoticeResolvedMay 13, 2023 to Jul 3, 2023
Public NoticeUnaddressedOct 12, 2022
Consumer Confidence RuleUnaddressedJul 1, 2022
Lead and Copper RuleUnaddressedDec 1, 2021
Lead and Copper RuleUnaddressedDec 1, 2018

Four Oaks Family And Childrens Services

IA5715802 · Groundwater · 50 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, 2021 to Dec 31, 2023

Violation history (1)
Imported violation history for Four Oaks Family And Childrens Services
RuleStatusPeriod
Consumer Confidence RuleResolvedJul 1, 2024 to Sep 19, 2024

Chestnut Ridge

IA5784312 · Groundwater · 33 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
0.001 mg/L
Action level
0.015 mg/L

7% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

Violation history (6)
Imported violation history for Chestnut Ridge
RuleStatusPeriod
Public NoticeResolvedMay 13, 2023 to Jul 3, 2023
Public NoticeResolvedNov 18, 2022 to Jul 3, 2023
Public NoticeUnaddressedOct 12, 2022
Public NoticeUnaddressedJul 13, 2022
Consumer Confidence RuleUnaddressedJul 1, 2022
Lead and Copper RuleUnaddressedFeb 9, 2021

City summary

What the indexed records say

Cedar Rapids has 6 published ZIP profiles across Linn County. The regional-evidence median is 274 PPM. Its comparison-eligible median is 274 PPM versus 274 PPM statewide.

Among the 1 Iowacities meeting the comparison standard, Cedar Rapids ranks #1from highest to lowest. Across all 723 state ZIP profiles, available estimates run from 237to 472 PPM.

The 272–295 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 hard6 ZIPs

6 of 6 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
3.1 miles
Profiles with evidence
6/6

Confidence labels

High: 6Moderate: 0Low: 0

Observation window: Jun 28, 2016 to Mar 3, 2026.

ZIP directory

Water reports in Cedar Rapids

Open a ZIP for site-level provenance and measurements.

Practical next steps

Move from index to evidence

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

Questions people ask

About water in Cedar Rapids

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.