TapGraded
A

WILLOWAY TERRACE MHP

Chicago, IL · 900 served

WILLOWAY TERRACE MHP serves 900 people in Chicago, IL. It has 0 health-based violations in the last 5 years. TapGraded gives this system an A.

Score breakdown

Health-based violations (5y)

0

Monitoring violations (5y)

2

Currently unaddressed

0

Overall score

96/100

Violation history (last 5 years)

2023
Health-based Monitoring / reporting

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Lead (Lead and Copper Rule)

EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).

90th-percentile lead sample 0 ppb
0 ppb EPA action level: 15 ppb

PFAS (UCMR5 occurrence data)

This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).

System details

System type
Community water system
Water source
Ground water
Ownership
Private
Service connections
320

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Frequently asked questions

Is Chicago, IL tap water safe to drink?

WILLOWAY TERRACE MHP has 0 health-based violations in the last 5 years. TapGraded gives this system an A.

Does WILLOWAY TERRACE MHP have lead in its water?

The most recent 90th-percentile lead sample is 0 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in WILLOWAY TERRACE MHP's water?

This system was not required to sample under UCMR5 (systems serving fewer than 3,300 people are mostly exempt).

Source: EPA SDWIS/ECHO · Data as of 2026Q2