PlainWater
Counties → Indiana

Marion County, Indiana

Water Systems
56
Population Served
949,929
Total Violations
5,652
619 health-based
PFAS Detected
2
of 3 tested

Violation Analysis

92.9%
Systems with Violations
100.9
Avg Violations per System
11.0%
Health-Based Violations

Water Source Types

GW
48 systems (86%)
SW
2 systems (4%)

PFAS Contamination

3
Systems Tested
2
PFAS Detected
66.7%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Marion Indiana water systems by violation status, EPA SDWIS records.

No violations on record (4) One or more violations (46)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Citizens Water - Indianapolis 880,345 37 Detected
City of Lawrence Utilities 49,000 38 Clean
Speedway Water Works 10,578 214 Detected
Southeastway Comfort Station 1,500 27 -
McDonalds Restaurant #12354 912 74 -
S & S Gas Station LLC 759 55 -
Madhar Petroleum 602 161 -
Nativity Catholic Church & Community Ctr 500 15 -
Morningstar Golf Club 500 155 -
Lighthouse Baptist Church 471 46 -
Nativity Catholic School 425 52 -
Gurdwara Sikh Satsang of Indianapolis 302 0 -
Kingdom Hall of Jehovah's Witnesses 300 0 -
Raceway Petro Inc. 300 30 -
Good Shepherd UMC/Little Lamb Chldrn Min 230 1,286 -
Eagle Creek Golf-Comfort Station 225 187 -
Winding River Golf Club 200 206 -
Southeastway Park 200 117 -
Eagle Creek Sailing Club 200 57 -
Acton United Methodist 175 175 -
Traders Point Farm Organics, Inc. 139 4 -
Whispering Hills Golf 132 60 -
Pitt-Ohio - Office Building 118 10 -
Southminster Presbyterian/Loving Hearts 108 42 -
Freba Corp Dba Dakota Landing Golf 100 23 -
Gospel Assembly 100 34 -
Eagle Creek Grace Bible Church 100 36 -
Food Corner (Phillips 66) 93 181 -
The Bible Church of Indianapolis, Inc. 80 42 -
48Forty Solutions LLC 75 142 -
Kingdom Hall of Jehovah's Witnesses 75 0 -
Shelby Street Pentecostal Lighthouse 75 207 -
Krishnas Emerson LLC 71 294 -
Indy Tabernaculo International Inc 64 94 -
Central Baptist Church of Bridgeport 60 29 -
McGregor Road Baptist Church 60 135 -
Brewskies Pub and Eatery 60 99 -
Martin Marietta - Kentucky Avenue Mine 59 46 -
Burger King #835 55 52 -
Newfields Visitors Pavillion 51 9 -
South Emerson Church of God 50 63 -
Hall Family Dentistry 49 19 -
Bobcat of Indy 43 16 -
Hope Christian Church 35 21 -
Generations Grill 35 294 -
Southeast Family Dental 33 20 -
The Rejoicing Vine 32 0 -
Buck Creek Winery 30 11 -
Liberty Tire, LLC 30 3 -
VFW #7119 30 86 -

Other Counties in Indiana

Lake County
108 systems · 539,424 served · 12,533 violations
Allen County
91 systems · 324,113 served · 5,221 violations
Hamilton County
66 systems · 229,377 served · 6,714 violations
St. Joseph County
221 systems · 218,797 served · 16,354 violations
Vanderburgh County
6 systems · 195,582 served · 332 violations
Clark County
11 systems · 186,708 served · 1,313 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Marion County? ▼
Marion County has 5,652 total drinking water violations across 56 water systems, of which 619 are health-based violations. 92.9% of systems have at least one violation.
How many people get water from Marion County systems? ▼
Water systems in Marion County serve approximately 949,929 people through 56 public water systems.
Has PFAS been detected in Marion County water? ▼
Of 3 water systems tested for PFAS in Marion County, 2 had PFAS detected (66.7% detection rate).
What types of water sources supply Marion County? ▼
Water systems in Marion County use GW (48 systems), SW (2 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 11.0% of Marion County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.