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City water profile

Maryville water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Maryville, Tennessee.

Median indexed hardness

5PPM

3 indexed ZIPs

Range 4.5–5 PPM

State comparison
45 PPM below
State hardness rank
#213 of 222
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Maryville has 3 published ZIP profiles across Blount County. The indexed median is 5 PPM, compared with 50 PPM across Tennessee.

Among the 222 Tennesseecities with an indexed median, Maryville ranks #213from highest to lowest. Across all 323 state ZIP profiles, available estimates run from 4.5to 247 PPM.

The 4.5–5 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft3 ZIPs
Moderately hard0 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
15.2 miles
Profiles with evidence
3/3

Confidence labels

High: 0Moderate: 2Low: 1

Observation window: Jan 6, 2016 to Mar 9, 2026.

ZIP directory

Water reports in Maryville

Open a ZIP for site-level provenance and measurements.

ZIP code

37801

Soft

5 PPM

Nearest site
20.7 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

37803

Soft

5 PPM

Nearest site
15.2 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

37804

Soft

4.5 PPM

Nearest site
13.5 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

South Blount Utility District

PWSID TN0000643

Surface water
System population served
53,864
Last reported
May 14, 2026

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

City Of Maryville W&s Dept

PWSID TN0000438

Surface water
System population served
49,135
Last reported
May 14, 2026

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

Alcoa Water System

PWSID TN0000007

Surface water
System population served
35,238
Last reported
May 14, 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.

RecordSystemPeriodStatus
Total Haloacetic Acids (HAA5)TN0000438Jan 1, 2026Archived
TTHMTN0000438Jan 1, 2026Archived
Consumer Confidence RuleTN0000643Jul 1, 2025Unaddressed
Revised Total Coliform RuleTN0000643May 1, 2025Archived · 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 Maryville

Is the water hard?

The indexed city median is 5 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.