WaterVerge

Is Bluffton, IN Tap Water Safe to Drink?

Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

10K residents served 1 water system PWSID: IN5290001
Overall Score
91 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#36 of 414 in Indiana Top 12% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91/100
waterverge.com
A 91/100

Bluffton, IN — Water Quality Report

Bluffton's drinking water received a grade of A (91 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 10,298 residents using groundwater.

Lead levels were measured at 4.4 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 10 violations on record, including 0 health-based violations. 1 remains unresolved.

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

What to know about Bluffton's water

Bluffton ranks #36 out of 414 cities in Indiana for water quality, placing it one of the best in the state.

Bluffton 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
91 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 4.4 ppb (90th percentile).
Contaminants
16.2/20
B
1 PFAS compound detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Bluffton, IN water safe to drink?

Use Caution

Bluffton's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 10,298 residents using groundwater (wells).

1
Active Violations
4.4 ppb
Lead (90th %ile)
1 compound
PFAS Detected
2 events
Disaster History

Recent water quality updates for Bluffton

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bluffton's water quality assessment. Grade: A (91/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
HURRICANE KATRINA EVACUATION

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

Disaster
SEVERE STORMS & FLOODING

Federal disaster declaration (FEMA DR-891). Flood event — may have impacted local water infrastructure.

Violation
8 drinking water violations recorded

Contaminants: Barium, Arsenic, Selenium.

Key contaminant findings

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

Lead Within Limits
Detected: 4.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 31.7000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Bluffton's water system has 10 total violations on record, including 0 health-based violations. 1 remain unresolved. 1 violation was issued in the last 5 years.

OtherMR
Most recent violations:
Nov 2022 Revised Total Coliform Rule Open
Oct 1981 Barium Resolved
Oct 1981 Arsenic Resolved
Oct 1981 Selenium Resolved
Oct 1981 Chromium Resolved

Flood & environmental risk

Wells County has experienced 2 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 Wabash River.

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

Where does Bluffton's water come from?

Bluffton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 10,298 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Wabash River (river).

What Bluffton 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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

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
4.4 ppb
EPA Action Level: 15 ppb · 29% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
31.7000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
31.7 µg/L
State screening level: 60 µg/L · 53% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

10
Total violations
0
Health-based
1
Active / unresolved
Nov 2022
Most recent violation
Compliance Record

Violations & advisories

10 Total
1 Active
0 Health-based
9 Resolved
Violations by category
Inorganic Chemicals
6
Revised Total Coliform Rule
1
Arsenic Rule
1
Nitrate Rule
1
Radionuclides and Revised Rad Rule
1
Nov 2022 Active
Revised Total Coliform Rule
Other Violation 0
Oct 1981 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1981 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1981 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1981 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1981 Resolved
Fluoride
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1981 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1981 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Oct 1981 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1982
Jun 1980 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1980
Industrial pollution

Top industrial polluters within 10 miles of Bluffton

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
WEG ELECTRIC CORP.
Electrical Equipment · NA
BLUFFTON, IN46714
1.1 mi
ADM ANIMAL NUTRITION INC
Food · ARCHER DANIELS MIDLAND CO
BLUFFTON, IN46714
1.6 mi
METALDYNE M&A BLUFFTON LLC
Transportation Equipment · AMERICAN AXLE & MANUFACTURING HOLDINGS INC
BLUFFTON, IN46714
1.5 mi
VALERO BLUFFTON PLANT
Chemicals · VALERO ENERGY CORP
BLUFFTON, IN46714
2.2 mi
MATALCO BLUFFTON LLC
Primary Metals · MATALCO USA LLC
BLUFFTON, IN46714
2.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

2
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Wells County has experienced 2 federally declared disasters since 1991. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

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

Recommended water filters

Based on contaminants detected in Bluffton's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.4 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 31.700 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.6 ppb from 1992 (5.0 ppb) to 2025 (4.4 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
10,298
Water Systems
1
Water Source

Where Bluffton's water comes from

Groundwater

Bluffton'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 10,298 people through 1 water system.

Local Hydrology

Water bodies near Bluffton

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

Wabash River
river
Infrastructure

Water systems serving Bluffton

System Name PWSID Population Source
BLUFFTON UTILITIES WATER DEPT IN5290001 10,298 GW
Regional Comparison

How Bluffton compares

Full Indiana rankings →

Bluffton's score of 91/100 is above the average of 70/100 among major Indiana cities. It outscores 9 of 10 nearby cities.

Bluffton (this city)
91
Fort Wayne
49.5
Evansville
85.2
Indiana avg
70
City Profile

About Bluffton, IN

Wikipedia →

Bluffton is a city in and the county seat of Wells County, Indiana, United States. It sits on the banks of the Wabash River in the northeastern part of the state. The population was 10,308 at the 2020 census, up from 9,897 at the 2010 census. Bluffton is nicknamed the "Parlor City" for its history of having some of the first clean paved streets in the area during the time of the Indiana gas boom.

Economic Profile
$56,955
Median Income
$119,736
Median Home Value
$675/mo
Median Rent
4%
Unemployment
Community
38.7
Median Age
474
People / sq mi
16.1%
College Educated
65.6%
Homeownership
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Frequently asked questions

Is Bluffton, IN tap water safe to drink?

Bluffton's water quality earned a grade of A (91/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #36 out of 414 cities tested in Indiana.

What contaminants are in Bluffton's water?

Lead was measured at 4.4 ppb (90th percentile). 1 PFAS compound was detected. 10 violations are on record.

How is Bluffton'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 Bluffton?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Bluffton's water come from?

Bluffton's water is sourced from Groundwater. The city has 1 water system serving approximately 10,298 residents.

Is Bluffton's groundwater at risk of contamination?

Bluffton 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 10 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 Bluffton's water compare to other cities?

Bluffton ranks #36 out of 414 cities in Indiana (better than 91% of state cities) and #1914 out of 15744 cities nationally (88th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.