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City water profile

Seaford water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Seaford, Delaware.

Median indexed hardness

58PPM

One indexed ZIP

Range 58.3–58.3 PPM

State comparison
3 PPM above
State hardness rank
#11 of 37
Matched utilities
10
Active health records
0

City summary

What the indexed records say

Seaford has 1 published ZIP profile across Sussex County. The indexed median is 58 PPM, compared with 55 PPM across Delaware.

Among the 37 Delawarecities with an indexed median, Seaford ranks #11from highest to lowest. Across all 48 state ZIP profiles, available estimates run from 47.3to 82.4 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

Soft1 ZIP
Moderately hard0 ZIPs
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
0.9 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 6, 2016 to Jun 3, 2026.

ZIP directory

Water reports in Seaford

Open a ZIP for site-level provenance and measurements.

ZIP code

19973

Soft

58.3 PPM

Nearest site
0.9 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Seaford Water Department

PWSID DE0000246

Groundwater
System population served
6,699
Last reported
Apr 30, 2026

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

Blades, Town Of

PWSID DE0000865

Groundwater
System population served
1,200
Last reported
Apr 30, 2026

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

Clearbrooke Estates Pump District

PWSID DE00A0326

Groundwater
System population served
768
Last reported
Apr 30, 2026

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

Home Town Village Of Cool Branch

PWSID DE00A0377

Groundwater
System population served
654
Last reported
Apr 30, 2026

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

Mobile Gardens I

PWSID DE0000651

Groundwater
System population served
476
Last reported
Apr 30, 2026

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

Scottsdale Mobile Home Park

PWSID DE0000599

Groundwater
System population served
300
Last reported
Apr 30, 2026

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

Pine Ridge Mobile Home Park

PWSID DE0000270

Groundwater
System population served
222
Last reported
Apr 30, 2026

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

Green Acres Pump District

PWSID DE00A0327

Groundwater
System population served
213
Last reported
Apr 30, 2026

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

Holly View Mobile Home Park

PWSID DE0000226

Groundwater
System population served
207
Last reported
Apr 30, 2026

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

Sussex Manor Mobile Home Park

PWSID DE0000442

Groundwater
System population served
195
Last reported
Apr 30, 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
NitrateDE00A0377Oct 1, 2024Resolved · health-based
Consumer Confidence RuleDE00A0377Jul 10, 2024Resolved
NitrateDE00A0377Sep 1, 2023Resolved · health-based
NitrateDE00A0377Jan 13, 2023Resolved · health-based
Revised Total Coliform RuleDE0000650Aug 1, 2022Resolved
Consumer Confidence RuleDE0000442Jul 1, 2022Resolved
Consumer Confidence RuleDE0000102Jul 1, 2022Resolved
Groundwater RuleDE0000865Mar 31, 2022Resolved
Consumer Confidence RuleDE0000442Jul 1, 2021Resolved
Revised Total Coliform RuleDE0000865May 1, 2021Resolved

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 Seaford

Is the water hard?

The indexed city median is 58 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.