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WaterSafeCheck

ZIP Code 47355 Water Quality Report

Lynn, IN · Randolph County County

Safety Score
F

Water Safety Grade

Failing — Serious compliance issues

Health Violations

0

Total Violations

3

Lead Risk

Very High

Contaminants

0

About Tap Water in ZIP Code 47355

Tap water in ZIP code 47355 (Lynn, IN) has received a failing F grade (score: 33/100) based on EPA compliance data. Lynn Water Company has a significant history of water quality violations. Residents are strongly encouraged to use a certified water filter and contact their local water authority for current advisories.

Water System

Lynn Water Company

EPA ID: IN5268004

Water Source

Ground Water

Population Served

1,097 residents

County

Randolph County County, Indiana

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Lead Levels in ZIP 47355

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

Lead Level: 13.7 ppb — Approaching Action Level

The 90th percentile lead level in 47355 is 13.7 ppb, approaching the EPA action level of 15 ppb. When a water system's 90th percentile exceeds this threshold, the utility is required to take corrective action including public notification and infrastructure upgrades. Residents — especially those with children or in homes built before 1986 — should use a certified lead-reducing filter (NSF/ANSI 53 or 58) for drinking and cooking water.

Lead exposure risk in 47355 is rated Very High. EPA models estimate a 80% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This is among the highest risk categories nationally, often associated with heavily aging infrastructure and pre-1986 construction. Do not give unfiltered tap water to children under 6 or pregnant women. Consider getting your home's plumbing tested for lead solder and fixtures.

Lead Level (90th percentile)
13.70 ppb (0.0137 mg/L)
Lead Exposure Risk Rating
Very High
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

80%
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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Violation History

Past 5 years — EPA SDWIS data

Lynn Water Company has recorded 3 violations, but none are health-based. Administrative or reporting violations don't directly indicate unsafe water, but they do signal gaps in documentation or monitoring procedures. 2 violations are currently unresolved — meaning the issue has not yet been formally corrected in EPA records. This is a serious concern that residents should follow up on with their water utility.

Total Violations (5 yr)
3
Health-Based Violations
0
Unresolved Violations
2
Boil Water Advisories
0
Compliance Risk
Moderate

Regulatory compliance risk is rated Moderate. Lynn Water Company has had occasional lapses in compliance but generally meets Safe Drinking Water Act requirements.

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Contaminants Detected

Contaminants with health-based violations on record

No health-based contaminant violations are on record for ZIP code 47355. This means EPA monitoring has not found levels of regulated contaminants exceeding the Maximum Contaminant Levels (MCLs) set under the Safe Drinking Water Act — a positive indicator of water quality compliance.

⚖ Enforcement Actions

4 enforcement actions have been issued against Lynn Water Company — a high number that reflects sustained compliance struggles. Enforcement actions escalate from administrative orders to financial penalties when utilities repeatedly fail to meet safe drinking water standards.
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Water Source & Environmental Factors

Ground Water

This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.

Water Source Type
Ground Water
EPA Radon Zone

Highest potential

Zone 1
Energy Burden

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

2.56%

EPA Radon Zone 1 — highest potential for radon in indoor air. Homeowners should test their home for radon and consider mitigation if levels exceed 4 pCi/L.

🛡 What Should You Do? — ZIP 47355 Recommendations

  • 🚨 Install a certified NSF/ANSI 53 or 58 (reverse osmosis) filter immediately for drinking and cooking
  • 🚨 Do not give unfiltered water to children, pregnant women, or immunocompromised individuals
  • 🚨 Contact Lynn Water Company to request the current violation status and corrective action plan
  • 🚨 Report concerns to your state environmental agency or call the EPA hotline: 1-800-426-4791
  • 🚨 Consider having your home's tap water independently tested by a certified lab

Frequently Asked Questions — ZIP 47355 Water Quality

Is tap water safe to drink in ZIP code 47355?+
Tap water in 47355 has a below-average water quality grade of F. While it is treated, there have been notable compliance issues. We strongly recommend using a certified NSF/ANSI 53 water filter for drinking and cooking, especially for vulnerable populations.
What is the lead level in 47355 tap water?+
The 90th percentile lead level in 47355 is 13.7 ppb (parts per billion). The EPA action level is 15 ppb. This is below the action level, but some health experts recommend a lead filter for families with young children.
Who provides tap water to 47355?+
Tap water in ZIP code 47355 is provided by Lynn Water Company (EPA ID: IN5268004). This system serves approximately 1,097 residents. You can contact them directly for Consumer Confidence Reports, current advisories, and billing information.
What is the water source for 47355?+
ZIP code 47355 is served by ground water. Groundwater systems draw from underground aquifers. While naturally filtered, groundwater can still contain naturally occurring contaminants such as arsenic, radium, or nitrates at elevated levels in some regions.
Does 47355 have any active water quality violations?+
Yes — there are currently 2 unresolved violations on record for this water system. Unresolved violations indicate issues that have not yet been formally corrected in EPA tracking systems. Contact Lynn Water Company for the latest update.
How do I get a copy of my water quality report for 47355?+
Your water utility — Lynn Water Company — is required by law to send you an annual Consumer Confidence Report (CCR) by July 1 each year. You can also request it directly from the utility or find it online by searching "Lynn Water Company Consumer Confidence Report." The EPA's ECHO database also has historical compliance data.
What water filter should I use in 47355?+
The right filter depends on what contaminants are present. For lead, look for a filter certified to NSF/ANSI Standard 53. For chlorine byproducts (like THMs), NSF/ANSI 42 filters work well. For a broad range of contaminants including PFAS, look for NSF/ANSI 58 (reverse osmosis) systems. For ZIP code 47355, with a clean compliance record, a standard carbon block filter meeting NSF/ANSI 42 is a good choice for taste and as a precaution.
Is 47355 tap water safe for babies and infants?+
Infants are especially vulnerable to lead, nitrates, and microbial contaminants in drinking water. Given the detected lead level of 13.7 ppb in 47355, we recommend using a certified NSF/ANSI 53 water filter or certified bottled water for preparing infant formula. Always consult your pediatrician for guidance specific to your child's health.

Data Sources & Methodology

Water quality data for ZIP code 47355 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 Lynn Water Company. 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 →