Skip to content

City water profile

Sugar Land water quality

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

Median indexed hardness

66PPM

3 indexed ZIPs

Range 65.5–67.3 PPM

State comparison
45 PPM below
State hardness rank
#450 of 523
Matched utilities
4
Active health records
0

City summary

What the indexed records say

Sugar Land has 3 published ZIP profiles across Fort Bend County. The indexed median is 66 PPM, compared with 111 PPM across Texas.

Among the 523 Texascities with an indexed median, Sugar Land ranks #450from highest to lowest. Across all 1,026 state ZIP profiles, available estimates run from 5.4to 500.5 PPM.

The 65.5–67.3 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard3 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

3 of 3 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
18.6 miles
Profiles with evidence
3/3

Confidence labels

High: 0Moderate: 3Low: 0

Observation window: Jan 14, 2016 to Jun 9, 2026.

ZIP directory

Water reports in Sugar Land

Open a ZIP for site-level provenance and measurements.

ZIP code

77478

Moderately Hard

66.4 PPM

Nearest site
18.6 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

77479

Moderately Hard

67.3 PPM

Nearest site
15.2 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

77498

Moderately Hard

65.5 PPM

Nearest site
20.6 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

City Of Sugar Land

PWSID TX0790005

Surface water
System population served
90,909
Last reported
Jun 26, 2026

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

City Of Sugar Land - New Territory

PWSID TX0790253

Groundwater
System population served
15,546
Last reported
Jun 26, 2026

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

City Of Sugar Land - Greatwood

PWSID TX0790296

Groundwater
System population served
12,368
Last reported
Jun 26, 2026

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

City Of Sugar Land River Park

PWSID TX0790354

Groundwater
System population served
4,278
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
Surface Water Treatment RuleTX0790005Jan 1, 2026Archived

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 Sugar Land

Is the water hard?

The indexed city median is 66 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.