MyCleanWater

Newark, Delaware Water Quality Report

Water quality data for 40 water systems serving 334,386 people.

10
Very Poor
out of 100

Water Source

40
Water Systems
334K
People Served
Surface water, Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
lithium16.7 No federal limit10.0 ug/L(EPA/USGS HBSL)
167%
Above guideline
PFBA0.079 No federal limit1000.0 ug/L(EWG)
0%
Below guideline
PFBS0.009 No federal limit2000.0 ug/L(EPA Health Advisory)
0%
Below guideline
PFHpA0.019 No federal limit1000.0 ug/L(EWG)
0%
Below guideline
PFHxA0.072 No federal limit1000.0 ug/L(EWG)
0%
Below guideline
PFHxS0.009 0.010 ug/L0.001 ug/L(EWG)
89%
Near limit
PFOA0.025 0.004 ug/L0.090 ug/L(EWG)
633%
Above limit
PFOS0.007 0.004 ug/L0.300 ug/L(EWG)
188%
Above limit
PFPeA0.106 No federal limit1000.0 ug/L(EWG)
0%
Below guideline

Recommended Water Filters

Based on the contaminants detected in your water supply, these filtration systems are recommended:

Reverse Osmosis (RO)

Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.

Up to 99% PFAS removal

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Compliance & Violations

Active Violations (64)

4H

Jul 2, 2025

minor

4H

Jul 2, 2025

minor

66

Jan 1, 2023

moderate

51

Jan 1, 1994

moderate

Violation

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minor

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minor

Resolved Violations (403)

71

Jul 1, 2025

minor

71

Jul 1, 2025

minor

03

Apr 1, 2024 — Jun 30, 2024

moderate

03

Apr 1, 2024 — Jun 30, 2024

moderate

03

Apr 1, 2024 — Jun 30, 2024

moderate

+ 398 more resolved violations

Frequently Asked Questions

Is Newark tap water safe to drink?

Newark's water has 2 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.

What contaminants are in Newark tap water?

9 contaminants have been detected in Newark's water supply across 40 water systems. See the full contaminant table above for details.

How can I improve my water quality in Newark?

Install a water filter rated for the specific contaminants found in Newark's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Does Newark have any water quality violations?

Yes, Newark currently has 64 active violations. See the violations section above for details.