WaterVerge

Is Edinburgh, 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 ↓

4K residents served 1 water system PWSID: IN5241002
Overall Score
94.2 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#9 of 414 in Indiana Top 4% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
94.2/100
waterverge.com
A 94.2/100

Edinburgh, IN — Water Quality Report

Edinburgh's drinking water received a grade of A (94.2 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 4,480 residents using groundwater.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 6 violations on record, including 2 health-based violations. 2 remain unresolved.

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

What to know about Edinburgh's water

Edinburgh ranks #9 out of 414 cities in Indiana for water quality, placing it one of the best in the state.

Edinburgh 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.

Quality Breakdown

Water quality score

See methodology →
94.2 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
44.2/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
20/20
A
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Edinburgh, IN water safe to drink?

Use Caution

Edinburgh's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (94.2/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 4,480 residents using groundwater (wells).

2
Active Violations
1.0 ppb
Lead (90th %ile)
None
PFAS Detected
3 events
Disaster History

Recent water quality updates for Edinburgh

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Edinburgh's water quality assessment. Grade: A (94.2/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: E. COLI.

Disaster
HURRICANE KATRINA EVACUATION

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

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

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 Edinburgh's water supply.

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Edinburgh's water system has 6 total violations on record, including 2 health-based violations. 2 remain unresolved.

MRMCL
Most recent violations:
Oct 2018 Lead and Copper Rule Open
Jun 2013 E. COLI Open
Jul 1997 Coliform (TCR) Resolved
Oct 1995 Coliform (TCR) Resolved
Nov 1991 Coliform (TCR) Resolved

Flood & environmental risk

Johnson 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 Youngs Creek, Sugar Creek, Driftwood River, Flatrock River, Haw Creek.

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

Where does Edinburgh's water come from?

Edinburgh's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 4,480 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Youngs Creek (river), Sugar Creek (river), Driftwood River (river), Flatrock River (river), Haw Creek (river).

What Edinburgh 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

Edinburgh'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
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
PFAS Testing

Forever chemicals overview

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

Violation summary

6
Total violations
2
Health-based
2
Active / unresolved
Oct 2018
Most recent violation
Compliance Record

Violations & advisories

6 Total
2 Active
2 Health-based
4 Resolved
Violations by category
Total Coliform Rule
3
Lead and Copper Rule
1
Ground Water Rule
1
Radionuclides and Revised Rad Rule
1
Oct 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2013 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1997 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1997
Oct 1995 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1995
Nov 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1991
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 Edinburgh

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
TOPPAN PACKAGING USA INC.
Printing · TOPPAN PACKAGING USA INC
EDINBURGH, IN46124
2.6 mi
MA METAL
Fabricated Metals · NA
EDINBURGH, IN46124
0.4 mi
US ARMY NATIONAL GUARD CAMP ATTERBURY RANGES
Other · US DEPARTMENT OF DEFENSE
EDINBURGH, IN46124
4.9 mi
SACOMA SPECIALTY PRODUCTS LLC
Transportation Equipment · SACOMA SPECIALTY PRODUCTS LLC
EDINBURGH, IN46124
0.7 mi
DAVE O'MARA CONTRACTOR INC
Petroleum · DAVE O'MARA CONTRACTOR INC
FLAT ROCK, IN47234
9.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

3
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Johnson 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) 1.0 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 ND HI µg/L PFAS Not 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 4.0 ppb from 1992 (5.0 ppb) to 2023 (1.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
4,480
Water Systems
1
Water Source

Where Edinburgh's water comes from

Groundwater

Edinburgh'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 4,480 people through 1 water system.

Local Hydrology

Water bodies near Edinburgh

Edinburgh is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Youngs Creek
river
Sugar Creek
river
Driftwood River
river
Flatrock River
river
Haw Creek
river
Infrastructure

Water systems serving Edinburgh

System Name PWSID Population Source
EDINBURGH WATER UTILITY IN5241002 4,480 GW
Regional Comparison

How Edinburgh compares

Full Indiana rankings →

Edinburgh's score of 94.2/100 is above the average of 70/100 among major Indiana cities. It outscores 10 of 10 nearby cities.

Edinburgh (this city)
94.2
Fort Wayne
49.5
Evansville
85.2
Indiana avg
70
City Profile

About Edinburgh, IN

Wikipedia →

Edinburgh is a town in Johnson, Bartholomew, and Shelby counties in the U.S. state of Indiana. The population was 4,435 at the 2020 census. It is part of the Columbus, Indiana metropolitan statistical area. Edinburgh was named in honor of Edinburgh, Scotland and for many years was pronounced the same way.

Economic Profile
$51,496
Median Income
$130,779
Median Home Value
$760/mo
Median Rent
8.1%
Unemployment
Community
40.1
Median Age
515
People / sq mi
9.2%
College Educated
54.7%
Homeownership
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Frequently asked questions

Is Edinburgh, IN tap water safe to drink?

Edinburgh's water quality earned a grade of A (94.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #9 out of 414 cities tested in Indiana.

What contaminants are in Edinburgh's water?

Lead was measured at 1.0 ppb (90th percentile). No PFAS compounds were detected. 6 violations are on record.

How is Edinburgh'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 Edinburgh?

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

Where does Edinburgh's water come from?

Edinburgh's water is sourced from Groundwater. The city has 1 water system serving approximately 4,480 residents.

What health violations has Edinburgh's water system had?

Edinburgh has 2 health-based violations on record. The most recent violation was recorded in October 2018. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Edinburgh's groundwater at risk of contamination?

Edinburgh 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 6 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 Edinburgh's water compare to other cities?

Edinburgh ranks #9 out of 414 cities in Indiana (better than 98% of state cities) and #578 out of 15744 cities nationally (96th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.