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City water profile

San Angelo water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for San Angelo, Texas.

Median indexed hardness

324PPM

5 indexed ZIPs

Range 301.5–368 PPM

State comparison
213 PPM above
State hardness rank
#46 of 523
Matched utilities
1
Active health records
0

City summary

What the indexed records say

San Angelo has 5 published ZIP profiles across Tom Green County. The indexed median is 324 PPM, compared with 111 PPM across Texas.

Among the 523 Texascities with an indexed median, San Angelo ranks #46from highest to lowest. Across all 1,026 state ZIP profiles, available estimates run from 5.4to 500.5 PPM.

The 301.5–368 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 hard5 ZIPs

5 of 5 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
18.4 miles
Profiles with evidence
5/5

Confidence labels

High: 0Moderate: 5Low: 0

Observation window: May 30, 2017 to Jul 13, 2017.

ZIP directory

Water reports in San Angelo

Open a ZIP for site-level provenance and measurements.

ZIP code

76903

Very Hard

323.5 PPM

Nearest site
21.2 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

76904

Very Hard

301.5 PPM

Nearest site
8.8 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

76905

Very Hard

368 PPM

Nearest site
24.7 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

76908

Very Hard

323.5 PPM

Nearest site
18.4 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

76909

Very Hard

323.5 PPM

Nearest site
18.2 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

City Of San Angelo

PWSID TX2260001

Surface water
System population served
105,229
Last reported
Jun 26, 2026

A municipal system, in-state city, and served county all agree with this Census 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.

RecordSystemPeriodStatus
LEAD AND COPPER RULE REVISIONSTX2260001Jul 2, 2025Resolved
Consumer Confidence RuleTX2260001Jul 1, 2025Resolved
Lead and Copper RuleTX2260001Dec 30, 2024Resolved
TTHMTX2260001Oct 1, 2024Resolved · health-based
Public NoticeTX2260001Sep 22, 2024Resolved
TTHMTX2260001Jul 1, 2024Resolved · health-based

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 San Angelo

Is the water hard?

The indexed city median is 324 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.