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City water profile

Long Beach water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Long Beach, California.

Median indexed hardness

189PPM

13 indexed ZIPs

Range 189–190.5 PPM

State comparison
At state median
State hardness rank
#119 of 242
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Long Beach has 13 published ZIP profiles across Los Angeles County. The indexed median is 189 PPM, compared with 189 PPM across California.

Among the 242 Californiacities with an indexed median, Long Beach ranks #119from highest to lowest. Across all 678 state ZIP profiles, available estimates run from 3.3to 728.5 PPM.

The 189–190.5 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 hard13 ZIPs

13 of 13 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
17.9 miles
Profiles with evidence
13/13

Confidence labels

High: 0Moderate: 13Low: 0

Observation window: Jan 6, 2016 to May 14, 2026.

ZIP directory

Water reports in Long Beach

Open a ZIP for site-level provenance and measurements.

ZIP code

90802

Very Hard

190.5 PPM

Nearest site
21.1 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

90803

Very Hard

189 PPM

Nearest site
19.7 mi
Confidence
Moderate

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ZIP code

90804

Very Hard

189 PPM

Nearest site
18 mi
Confidence
Moderate

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ZIP code

90805

Very Hard

189 PPM

Nearest site
13.5 mi
Confidence
Moderate

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ZIP code

90806

Very Hard

189 PPM

Nearest site
16.8 mi
Confidence
Moderate

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ZIP code

90807

Very Hard

189 PPM

Nearest site
15.6 mi
Confidence
Moderate

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ZIP code

90808

Very Hard

189 PPM

Nearest site
14.7 mi
Confidence
Moderate

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ZIP code

90813

Very Hard

189 PPM

Nearest site
18.9 mi
Confidence
Moderate

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ZIP code

90814

Very Hard

189 PPM

Nearest site
18.6 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

90815

Very Hard

189 PPM

Nearest site
16.7 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

90822

Very Hard

189 PPM

Nearest site
17.9 mi
Confidence
Moderate

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ZIP code

90831

Very Hard

189 PPM

Nearest site
19.9 mi
Confidence
Moderate

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ZIP code

90840

Very Hard

189 PPM

Nearest site
17.5 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Long Beach Utilities Department

PWSID CA1910065

Surface water
System population served
466,772
Last reported
Jun 22, 2026

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

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

No violation records are included in the current lookback window.

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. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Long Beach

Is the water hard?

The indexed city median is 189 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

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.