WaterVerge

Is Winamac, IN Tap Water Safe to Drink?

Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: IN5266005
Overall Score
92.4 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#22 of 414 in Indiana Top 8% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
92.4/100
waterverge.com
A 92.4/100

Winamac, IN — Water Quality Report

Winamac's drinking water received a grade of A (92.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 2,400 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 13 violations on record, including 0 health-based violations. 2 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Winamac's water

Winamac ranks #22 out of 414 cities in Indiana for water quality, placing it one of the best in the state.

Winamac relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Winamac may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
92.4 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Winamac, IN water safe to drink?

Use Caution

Winamac's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (92.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,400 residents using groundwater (wells).

2
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Winamac

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Winamac's water quality assessment. Grade: A (92.4/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4363). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3238). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Key contaminant findings

Based on the most recent EPA sampling data for Winamac's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Winamac's water system has 13 total violations on record, including 0 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.

RPTOtherMR
Most recent violations:
May 2025 Revised Total Coliform Rule Open
Oct 2008 Consumer Confidence Rule Open
Jun 2003 Coliform (TCR) Resolved
Feb 2001 Coliform (TCR) Resolved

Flood & environmental risk

Pulaski County has experienced 3 federally declared disasters since 1991. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Tippecanoe River.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4363
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3238
SEVERE STORMS & FLOODING
Flood FEMA DR-891

Where does Winamac's water come from?

Winamac's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,400 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Tippecanoe River (river).

What Winamac residents can do

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Winamac's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

13
Total violations
0
Health-based
2
Active / unresolved
May 2025
Most recent violation
Compliance Record

Violations & advisories

13 Total
2 Active
0 Health-based
11 Resolved
Violations by category
Inorganic Chemicals
6
Total Coliform Rule
3
Revised Total Coliform Rule
1
Consumer Confidence Rule
1
Nitrate Rule
1
May 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Oct 2008 Active
Consumer Confidence Rule
Other Violation 0
Jun 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2003
Feb 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2001
Jun 1989 Resolved
Total Coliform Rule
Other Violation Resolved Jun 1994
Oct 1979 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1979 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1979 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1979 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1979 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1979 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1979 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1979 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Industrial pollution

Top industrial polluters within 10 miles of Winamac

Industrial polluters nearby

Reported releases to surface water by facilities near Winamac, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
CROSSROADS SEAMLESS USA LLC
Primary Metals · CROSSROADS SEAMLESS USA LLC
WINAMAC, IN46996
1.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

3
Declared disasters
May 2018
Most recent
Flood
Most common type

Pulaski County has experienced 3 federally declared disasters since 1991. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2018
SEVERE STORMS AND FLOODING
Flood FEMA #4363
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3238
Jan 1991
SEVERE STORMS & FLOODING
Flood FEMA #891

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 1993 (5.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,400
Water Systems
1
Water Source

Where Winamac's water comes from

Groundwater

Winamac's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 2,400 people through 1 water system.

Local Hydrology

Water bodies near Winamac

Winamac is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Tippecanoe River
river
Infrastructure

Water systems serving Winamac

System Name PWSID Population Source
WINAMAC MUNICIPAL UTILITIES IN5266005 2,400 GW
Regional Comparison

How Winamac compares

Full Indiana rankings →

Winamac's score of 92.4/100 is above the average of 70/100 among major Indiana cities. It outscores 9 of 10 nearby cities.

Winamac (this city)
92.4
Fort Wayne
49.5
Evansville
85.2
Indiana avg
70
City Profile

About Winamac, IN

Wikipedia →

Winamac is a town in Monroe Township, Pulaski County, in the U.S. state of Indiana. As of the 2020 census, Winamac had a population of 2,318. It is the county seat of Pulaski County.

Economic Profile
$43,507
Median Income
$96,940
Median Home Value
$712/mo
Median Rent
1.5%
Unemployment
Community
34
Median Age
721
People / sq mi
14.5%
College Educated
55.6%
Homeownership
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Frequently asked questions

Is Winamac, IN tap water safe to drink?

Winamac's water quality earned a grade of A (92.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #22 out of 414 cities tested in Indiana.

What contaminants are in Winamac's water?

Lead was measured at 0.0 ppb (90th percentile). 13 violations are on record.

How is Winamac's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Winamac?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Winamac's water come from?

Winamac's water is sourced from Groundwater. The city has 1 water system serving approximately 2,400 residents.

Is Winamac's groundwater at risk of contamination?

Winamac uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 13 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Winamac's water compare to other cities?

Winamac ranks #22 out of 414 cities in Indiana (better than 95% of state cities) and #1253 out of 15744 cities nationally (92th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Winamac's small water system affect quality?

Winamac's system serves approximately 2,400 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 13 violations on record.