MyCleanWater

Redding, California Water Quality Report

Water quality data for 24 water systems serving 121,419 people.

0
Very Poor
out of 100

Water Source

24
Water Systems
121K
People Served
Surface water, Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium38.4 No federal limit10.0 ug/L(EPA/USGS HBSL)
384%
Above guideline
PFBS0.009 No federal limit2000.0 ug/L(EPA Health Advisory)
0%
Below guideline
PFHpA0.005 No federal limit1000.0 ug/L(EWG)
0%
Below guideline
PFHxA0.007 No federal limit1000.0 ug/L(EWG)
0%
Below guideline
PFHxS0.009 0.010 ug/L0.001 ug/L(EWG)
89%
Near limit
PFOA0.016 0.004 ug/L0.090 ug/L(EWG)
405%
Above limit
PFOS0.013 0.004 ug/L0.300 ug/L(EWG)
315%
Above limit
PFPeA0.006 No federal limit1000.0 ug/L(EWG)
0%
Below guideline

Recommended Water Filters

Based on the contaminants detected in your water supply, these filtration systems are recommended:

Reverse Osmosis (RO)

Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.

Up to 99% PFAS removal

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Compliance & Violations

Active Violations (107)

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

75

Apr 1, 2025

minor

4G

Oct 17, 2024

minor

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

2E

Oct 17, 2024

critical

4G

Oct 17, 2024

minor

4G

Oct 17, 2024

minor

52

Oct 1, 2024

moderate

52

Jul 1, 2023

moderate

52

Jul 1, 2022

moderate

75

Jul 1, 2020

minor

75

Jun 1, 2020

minor

75

Jun 1, 2020

minor

75

May 1, 2020

minor

75

May 1, 2020

minor

75

Apr 1, 2020

minor

75

Apr 1, 2020

minor

52

Jan 1, 2020

moderate

Violation

Unknown

minor

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Unknown

minor

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minor

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minor

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minor

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minor

Violation

Unknown

minor

Resolved Violations (393)

3A

Apr 1, 2025 — Apr 30, 2025

minor

3A

Apr 1, 2025 — Apr 30, 2025

minor

27

Apr 1, 2025 — Jun 30, 2025

moderate

3A

Apr 1, 2025 — Apr 30, 2025

minor

2E

Oct 17, 2024

critical

+ 388 more resolved violations

Frequently Asked Questions

Is Redding tap water safe to drink?

Redding's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.

What contaminants are in Redding tap water?

8 contaminants have been detected in Redding's water supply across 24 water systems. See the full contaminant table above for details.

How can I improve my water quality in Redding?

Install a water filter rated for the specific contaminants found in Redding's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Does Redding have any water quality violations?

Yes, Redding currently has 118 active violations. See the violations section above for details.