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City water profile

Havre De Grace water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Havre De Grace, Maryland.

Median indexed hardness

94PPM

One indexed ZIP

Range 93.6–93.6 PPM

State comparison
4 PPM above
State hardness rank
#3 of 15
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Havre De Grace has 1 published ZIP profile across Harford County. The indexed median is 94 PPM, compared with 90 PPM across Maryland.

Among the 15 Marylandcities with an indexed median, Havre De Grace ranks #3from highest to lowest. Across all 42 state ZIP profiles, available estimates run from 57.8to 167 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.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard1 ZIP
Hard0 ZIPs
Very hard0 ZIPs

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
3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 4, 2016 to Jun 17, 2026.

ZIP directory

Water reports in Havre De Grace

Open a ZIP for site-level provenance and measurements.

ZIP code

21078

Moderately Hard

93.6 PPM

Nearest site
3 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

City Of Havre De Grace

PWSID MD0120012

Surface water
System population served
14,000
Last reported
May 18, 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
EndrinMD0120012Jul 1, 2024Resolved
Di(2-ethylhexyl) adipateMD0120012Jul 1, 2024Resolved
SimazineMD0120012Jul 1, 2024Resolved
Di(2-ethylhexyl) phthalateMD0120012Jul 1, 2024Resolved
AtrazineMD0120012Jul 1, 2024Resolved
LASSOMD0120012Jul 1, 2024Resolved
HeptachlorMD0120012Jul 1, 2024Resolved
HEXACHLOROBENZENEMD0120012Jul 1, 2024Resolved
ToxapheneMD0120012Jul 1, 2024Resolved
Heptachlor epoxideMD0120012Jul 1, 2024Resolved

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 Havre De Grace

Is the water hard?

The indexed city median is 94 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.