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Official EPA SDWIS Verified ReportWater Quality & Testing GuideHistorical Record: No Recorded SDWIS Violations

ZIP Code 60096 Water Quality & Testing Report

Winthrop Harbor, IL · Lake County County · Updated for 2026

Sahajul HaqueCompiled & verified by Sahajul Haque from official EPA SDWIS records
Public Health & Medical Notice: Drinking water quality data on this page reflects historical compliance records submitted under the Safe Drinking Water Act. This information does not constitute medical advice or a real-time safety guarantee. If you are pregnant, nursing, preparing infant formula, or immunocompromised, consult a healthcare provider. Boiling water kills biological pathogens, but does NOT remove chemical contaminants like lead, arsenic, or PFAS.
Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 60096 (Winthrop Harbor, IL)?

Caution / Filtration Recommended: Tap water in ZIP code 60096 (Winthrop Harbor, IL) has compliance concerns, earning an EPA Safety Grade of C (58/100) due to 0 health violation(s) and 9.3 ppb lead. While treated by Winthrop Harbor, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.

Safety Score
C

Water Safety Grade

Fair — Some compliance concerns

Health Violations

0

Total Violations

14

Lead Risk

High

Contaminants

0

About Tap Water in ZIP Code 60096

Tap water in ZIP code 60096 (Winthrop Harbor, IL) is distributed by Winthrop Harbor (EPA ID: IL0971950), serving approximately 6,565 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of C with a composite quality score of 58/100.

Water System

Winthrop Harbor

EPA ID: IL0971950

Water Source

Surface Water

Population Served

6,565 residents

County

Lake County County, Illinois

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Lead Levels in ZIP 60096

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Level: 9.3 ppb — Moderate

The 90th percentile lead level in 60096 is 9.3 ppb. This is below the EPA action level of 15 ppb, but above ideal health goals. Consider a certified lead-reducing filter.

Lead exposure risk in 60096 is rated High. EPA models estimate a 58% exposure probability based on housing and infrastructure age.

Lead Level (90th percentile)
9.30 ppb (0.0093 mg/L)
Lead Exposure Risk Rating
High
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

58%
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Water Hardness & Mineral Content

Grains per gallon (GPG) & Parts per million (PPM / mg/L)

Classification: Very Hard11.1 GPG · 189 mg/L

Water in ZIP 60096 is Very Hard (189 mg/L / 11.1 GPG). High concentrations of dissolved limestone minerals cause severe mineral buildup, stiff laundry, dry skin, and premature water heater wear.

Recommendation: A whole-home water softener system is strongly recommended to protect plumbing and home appliances.
Hardness (GPG)

Grains per gallon

11.1 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

189 mg/L
Appliance Scaling Risk
High / Severe

Interactive Water Safety & Filter Matcher

Personalized for ZIP 60096 (Winthrop Harbor, IL)

Free Tool

Official EPA SDWIS Database Entry

Utility: Winthrop Harbor · PWSID: IL0971950

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

Winthrop Harbor has recorded 14 violations, but none are health-based (e.g., administrative or monitoring infractions). 6 violations remain unresolved in EPA tracking records.

Total Violations (5 yr)
14
Health-Based Violations
0
Unresolved Violations
6
Boil Water Advisories
0
Compliance Risk
High

Regulatory compliance risk for this utility is rated High based on past reporting and enforcement records.

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Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 60096 under the Safe Drinking Water Act.

⚖ Enforcement Actions

EPA or state regulators have issued 10 enforcement actions to address compliance lapses.
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Water Source & Environmental Factors

Surface Water

This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.

Water Source Type
Surface Water
EPA Radon Zone

Moderate potential

Zone 2
Annual Flood Risk Cost

Estimated annual flood-related costs per property

$0
Energy Burden

% of household income spent on energy — indicator of older infrastructure

1.9%

EPA Radon Zone 2 — moderate radon potential. The EPA recommends testing your home regardless of zone designation.

Water Quality Testing in ZIP 60096

Tap Water & Well Testing Recommendations

Residents in ZIP code 60096 served by Winthrop Harbor can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.

Tap Water Testing Steps

  • 1.Conduct a certified lead check if your home was constructed before 1986.
  • 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
  • 3.Sample water from both your kitchen faucet and water heater to compare line purity.

Private Well Testing Steps

  • •Test for Coliform bacteria and Nitrates annually.
  • •Test for heavy metals, radon, and PFAS every 3 years.
  • •Send samples to a state-certified drinking water laboratory recognized by Illinois Environmental Protection Agency.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in IL for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 60096 Recommendations

  • ⚠ Use a certified NSF/ANSI 53 filter for drinking and cooking water if you have young children
  • ⚠ Never give unfiltered tap water to infants in formula — use certified bottled or filtered water
  • ⚠ Request a copy of the Consumer Confidence Report to see what was detected and when
  • ⚠ Call the EPA Safe Drinking Water Hotline: 1-800-426-4791

Recommended Water Treatment Systems:

🏺

NSF 53 Lead Pitcher Filter

Specifically certified to reduce lead and copper at the tap.

Lead Filter Guide →
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NSF 58 Under-Sink RO System

Advanced filtration for PFAS, fluoride, nitrates, and organic chemicals.

RO System Guide →

Frequently Asked Questions — ZIP 60096 Water Quality

Is tap water safe to drink in ZIP code 60096?+
Tap water in 60096 (Winthrop Harbor, IL) meets major standards but has a grade of C due to minor past violations. Vulnerable populations may want to use a certified filter as a precaution.
How do I get my water tested in ZIP 60096 (Winthrop Harbor, IL)?+
To test water quality in ZIP 60096, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in IL. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Illinois Environmental Protection Agency for a list of certified regional labs.
How hard is the tap water in 60096?+
Tap water in 60096 is classified as Very Hard with an estimated mineral hardness of 189 mg/L (11.1 GPG). A whole-home water softener system is strongly recommended to protect plumbing and home appliances.
Should I test private well water in 60096?+
Yes. Unlike municipal systems, private wells in 60096 are not regulated by the EPA or local utilities. Private well owners should test their water annually for coliform bacteria and nitrates, and every 3 to 5 years for heavy metals (lead, arsenic) and volatile organic compounds.
What is the lead level in 60096 tap water?+
The 90th percentile lead level in 60096 is 9.3 ppb. The EPA action level is 15 ppb. This is below the EPA action level.
Is there an active boil water notice in 60096?+
There are currently no active boil water advisories on record for 60096. Water treatment systems are operating within normal parameters.
Who provides tap water to 60096?+
Tap water in ZIP code 60096 is provided by Winthrop Harbor (EPA ID: IL0971950), serving approximately 6,565 residents.
What water filter should I use in 60096?+
Based on water metrics for 60096, we recommend Lead & Microplastic Filter. Look for certifications such as NSF/ANSI 53 (Lead Reduction), NSF/ANSI 42 (Particulate/Taste).

Data Sources & Methodology

Water quality data for ZIP code 60096 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Winthrop Harbor. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →