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City water profile

Hopkins water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Hopkins, Missouri.

Median indexed hardness

330PPM

One indexed ZIP

Range 330–330 PPM

State comparison
94 PPM above
State hardness rank
#99 of 504
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Hopkins has 1 published ZIP profile across Nodaway County. The indexed median is 330 PPM, compared with 236 PPM across Missouri.

Among the 504 Missouricities with an indexed median, Hopkins ranks #99from highest to lowest. Across all 556 state ZIP profiles, available estimates run from 38.3to 483 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard1 ZIP

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
30.6 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Oct 5, 2016 to Apr 15, 2026.

ZIP directory

Water reports in Hopkins

Open a ZIP for site-level provenance and measurements.

ZIP code

64461

Very Hard

330 PPM

Nearest site
30.6 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Hopkins Pws

PWSID MO1010378

Groundwater
System population served
550
Last reported
Jun 16, 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
Groundwater RuleMO1010378Nov 1, 2025Resolved
Groundwater RuleMO1010378Oct 1, 2025Resolved
Groundwater RuleMO1010378Sep 1, 2025Resolved
TTHMMO1010378Jul 1, 2025Resolved
Total Haloacetic Acids (HAA5)MO1010378Jul 1, 2025Resolved
Consumer Confidence RuleMO1010378Jul 1, 2025Resolved
Groundwater RuleMO1010378Jul 1, 2025Resolved
Revised Total Coliform RuleMO1010378May 1, 2025Resolved
Revised Total Coliform RuleMO1010378Apr 1, 2025Resolved
Groundwater RuleMO1010378Feb 1, 2025Resolved

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 Hopkins

Is the water hard?

The indexed city median is 330 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.