WaterVerge

Is Gaston, IN Tap Water Safe to Drink?

Graded B+ with no contaminants above EPA limits. Here's everything we tested and how Gaston ranks. What to do next ↓

838 residents served 1 water system PWSID: IN5218008
Overall Score
82.3 / 100
Violations
None active
Last Updated
May 2026
Source
Groundwater
#210 of 414 in Indiana Top 45% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.3/100
waterverge.com
B+ 82.3/100

Gaston, IN — Water Quality Report

Gaston's drinking water received a grade of B+ (82.3 out of 100), indicating good water quality. The city's 1 water system serves approximately 838 residents using groundwater.

Lead levels were measured at 2.0 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 38 violations on record, including 0 health-based violations. All violations have been resolved.

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

What to know about Gaston's water

Gaston ranks #210 out of 414 cities in Indiana for water quality, placing it below average in the state.

Gaston 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, Gaston may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 35 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
82.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
30.3/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Gaston, IN water safe to drink?

Generally Safe

Based on EPA testing data, Gaston's tap water is generally safe to drink. The water system earned a grade of B+ (82.3/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 838 residents using groundwater (wells).

35
Violations (5yr)
2.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Gaston

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Gaston's water quality assessment. Grade: B+ (82.3/100).

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
33 drinking water violations recorded

Contaminants: 1,2,4-Trichlorobenzene, Xylenes, Total, p-Dichlorobenzene.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Disaster
HURRICANE KATRINA EVACUATION

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

Disaster
BLIZZARD OF 96

Federal disaster declaration (FEMA DR-1109). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Gaston's water system has 38 total violations on record, including 0 health-based violations. All violations have been resolved. 35 violations were issued in the last 5 years.

MR
Most recent violations:
Jan 2023 Total Haloacetic Acids (HAA5) Resolved
Jan 2023 TTHM Resolved
Jan 2021 1,2,4-Trichlorobenzene Resolved
Jan 2021 Xylenes, Total Resolved
Jan 2021 p-Dichlorobenzene Resolved

Flood & environmental risk

Delaware 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 White River, Buck Creek.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3238
BLIZZARD OF 96
Flood FEMA DR-1109
SEVERE STORMS & FLOODING
Flood FEMA DR-891

Where does Gaston's water come from?

Gaston's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 838 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include White River (river), Buck Creek (river).

What Gaston 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

Gaston'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
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

38
Total violations
0
Health-based
0
Active / unresolved
Jan 2023
Most recent violation
Compliance Record

Violations & advisories

38 Total
0 Active
0 Health-based
38 Resolved
Violations by category
Volatile Organic Chemicals
21
Inorganic Chemicals
11
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Total Coliform Rule
2
Arsenic Rule
1
Jan 2023 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2023
Jan 2021 Resolved
1,2,4-Trichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Xylenes, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
p-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
1,2-Dichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
1,2-Dichloropropane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Trichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Styrene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
CYANIDE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Nickel
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Antimony, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Ethylbenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Carbon tetrachloride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
1,1-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
o-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Showing 20 of 38 violations
Industrial pollution

Top industrial polluters within 10 miles of Gaston

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
POET BIOREFINING ALEXANDRIA LLC
Chemicals · POET HOLDING CO LLC
ALEXANDRIA, IN46001
8.1 mi
MPLX TERMINALS LLC - MUNCIE IN TERMINAL
Petroleum Bulk Terminals · MARATHON PETROLEUM CORP
MUNCIE, IN47303
7.7 mi
OX PAPERBOARD EATON LLC.
Paper · OX INDUSTRIES
EATON, IN47338
7.8 mi
MURSIX CORP
Fabricated Metals · NA
YORKTOWN, IN47396
7.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

3
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Delaware 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.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3238
Apr 1996
BLIZZARD OF 96
Flood FEMA #1109
Jan 1991
SEVERE STORMS & FLOODING
Flood FEMA #891

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 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 7.0 ppb from 1993 (9.0 ppb) to 2024 (2.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
838
Water Systems
1
Water Source

Where Gaston's water comes from

Groundwater

Gaston'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 838 people through 1 water system.

Local Hydrology

Water bodies near Gaston

Gaston is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

White River
river
Buck Creek
river
Infrastructure

Water systems serving Gaston

System Name PWSID Population Source
GASTON WATER WORKS IN5218008 838 GW
Regional Comparison

How Gaston compares

Full Indiana rankings →

Gaston's score of 82.3/100 is above the average of 70/100 among major Indiana cities. It outscores 7 of 10 nearby cities.

Gaston (this city)
82.3
Fort Wayne
49.5
Evansville
85.2
Indiana avg
70
City Profile

About Gaston, IN

Wikipedia →

Gaston is a town in Washington Township, Delaware County, Indiana, United States. The population was 796 at the 2020 census. It is part of the Muncie Metropolitan Statistical Area.

Economic Profile
$49,271
Median Income
$67,316
Median Home Value
$814/mo
Median Rent
8.1%
Unemployment
Community
38.8
Median Age
512
People / sq mi
16.1%
College Educated
73.7%
Homeownership
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Frequently asked questions

Is Gaston, IN tap water safe to drink?

Gaston's water quality earned a grade of B+ (82.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #210 out of 414 cities tested in Indiana.

What contaminants are in Gaston's water?

Lead was measured at 2.0 ppb (90th percentile). 38 violations are on record.

How is Gaston'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 Gaston?

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

Where does Gaston's water come from?

Gaston's water is sourced from Groundwater. The city has 1 water system serving approximately 838 residents.

Is Gaston's groundwater at risk of contamination?

Gaston 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 38 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 Gaston's water compare to other cities?

Gaston ranks #210 out of 414 cities in Indiana (better than 49% of state cities) and #7060 out of 15744 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Gaston's small water system affect quality?

Gaston's system serves approximately 838 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 38 violations on record.