Is tap water safe in Pasadena?

EPA SDWIS shows no active health-based violation in this profile's reporting window. That is not the same as proving every contaminant is absent, and federal data can lag state and utility records.

How hard is the water in Pasadena, TX?

Nearby USGS observations produce an estimate of 76.2 ppm (4.5 grains per gallon), classified as moderately hard. This is not a tap measurement.

Do I need a water softener in ZIP code 77502?

There is no high-hardness trigger in this profile. Confirm conditions with an at-home hardness test before purchasing equipment.

City water profile

Pasadena water quality

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

Median indexed hardness

76PPM

6 indexed ZIPs

Range 71.8–76.2 PPM

State comparison: 35 PPM below
State hardness rank: #420 of 523
Matched utilities: 2
Active health records: 0

City summary

What the indexed records say

Pasadena has 6 published ZIP profiles across Harris County. The indexed median is 76 PPM, compared with 111 PPM across Texas.

Among the 523 Texascities with an indexed median, Pasadena ranks #420from highest to lowest. Across all 1,026 state ZIP profiles, available estimates run from 5.4to 500.5 PPM.

The 71.8–76.2 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard6 ZIPs

Hard0 ZIPs

Very hard0 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: 9.7 miles
Profiles with evidence: 6/6

Confidence labels

High: 0Moderate: 6Low: 0

City Of Pasadena

PWSID TX1010293

Surface water

System population served: 152,000
Last reported: Jun 26, 2026

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

City Of Pasadena El Cary Estates

PWSID TX1012281

Surface water

System population served: 1,470
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.

Record	System	Period	Status
Public Notice	TX1010293	Feb 26, 2024	Unaddressed
E. COLI	TX1010293	Dec 9, 2022	Resolved
Public Notice	TX1012281	Jan 30, 2022	Unaddressed
Lead and Copper Rule	TX1010293	Dec 30, 2021	Resolved
Lead and Copper Rule	TX1012281	Dec 30, 2021	Resolved

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

Continue comparing

Other Texas communities

Baytown

Harris County

76 PPM median

Bellaire

Harris County

72 PPM median

Deer Park

Harris County

76 PPM median

Galena Park

Harris County

76 PPM median

Houston

Harris County

72 PPM median

Katy

Harris County

185 PPM median

Search all 529 Texas cities →

Questions people ask

About water in Pasadena

Is the water hard?

The indexed city median is 76 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.