PlainWater
States → Indiana

COLONIAL MOBILE COURT

PWS ID: IN5246005 · ROLLING PRAIRIE, Indiana 46371

COLONIAL MOBILE COURT serves 99 people in ROLLING PRAIRIE, Indiana using Groundwater water sources. It has 645 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COLONIAL MOBILE COURT

COLONIAL MOBILE COURT is a private-owned community water system that delivers drinking water to 99 residents in ROLLING PRAIRIE, Indiana (LaPorte County) through 59 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 645 total violations for this system , of which 11 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 514 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 103 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Indiana, EPA tracks 3,967 public water systems serving 5,774,616 people, with 352,710 cumulative violations and 35,932 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 88.9 violations. COLONIAL MOBILE COURT's 645 violations sit above the Indiana average. Statewide, 93 of 229 UCMR5-tested systems have reported PFAS detections (40.6%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
99
Total Violations
645
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
59
County
LaPorte
School/Daycare
No
MCL Violations
8
Monitoring Violations
514
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 103 2021
Revised Total Coliform Rule MON 79 2021
Coliform (TCR) MR 78 2014
Endrin MR 12 2019
BHC-GAMMA MR 12 2019
Methoxychlor MR 12 2019
Toxaphene MR 12 2019
Diquat MR 12 2019
Glyphosate MR 12 2019
Di(2-ethylhexyl) adipate MR 12 2019
OXAMYL MR 12 2019
Simazine MR 12 2019
Dinoseb MR 12 2019
LASSO MR 12 2019
Heptachlor epoxide MR 12 2019
2,4-D MR 12 2019
2,4,5-TP MR 12 2019
Pentachlorophenol MR 12 2019
1,2-DIBROMO-3-CHLOROPROPANE MR 12 2019
ETHYLENE DIBROMIDE MR 12 2019
Chlordane MR 12 2019
Di(2-ethylhexyl) phthalate MR 12 2019
Endothall MR 12 2019
Heptachlor MR 12 2019
HEXACHLOROBENZENE MR 12 2019
Picloram MR 12 2019
Carbofuran MR 12 2019
Atrazine MR 12 2019
Dalapon MR 12 2019
Benzo(a)pyrene MR 12 2019

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for COLONIAL MOBILE COURT.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID IN5246005 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Indiana Drinking Water Authority

Indiana Department of Environmental Management — Drinking Water Branch is the primacy agency that licenses and inspects COLONIAL MOBILE COURT under EPA-delegated authority.

Open IN regulator portal

Source: Indiana Department of Environmental Management — Drinking Water Branch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / IN5246005 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 3 SDWIS / IN5246005 / 5200
2021 Consumer Confidence Rule Other 103 SDWIS / IN5246005 / 7000
2021 Revised Total Coliform Rule MON 79 SDWIS / IN5246005 / 8000
2021 Lead and Copper Rule MR 8 SDWIS / IN5246005 / 5000
2021 Gross Alpha, Excl. Radon and U MR 7 SDWIS / IN5246005 / 4000
2021 Groundwater Rule Other 6 SDWIS / IN5246005 / 0700
2019 Endrin MR 12 SDWIS / IN5246005 / 2005
2019 BHC-GAMMA MR 12 SDWIS / IN5246005 / 2010
2019 Methoxychlor MR 12 SDWIS / IN5246005 / 2015
2019 Toxaphene MR 12 SDWIS / IN5246005 / 2020
2019 Diquat MR 12 SDWIS / IN5246005 / 2032
2019 Glyphosate MR 12 SDWIS / IN5246005 / 2034
2019 Di(2-ethylhexyl) adipate MR 12 SDWIS / IN5246005 / 2035
2019 OXAMYL MR 12 SDWIS / IN5246005 / 2036

How COLONIAL MOBILE COURT Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric COLONIAL MOBILE COURT Indiana avg Federal benchmark
Total violations 645 88.9 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 11 9.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 99 1,456 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,967 regulated public water systems in Indiana.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is COLONIAL MOBILE COURT water safe to drink? ▼
COLONIAL MOBILE COURT (PWS ID: IN5246005) has 645 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 99 people using Groundwater sources.
How many people does COLONIAL MOBILE COURT serve? ▼
COLONIAL MOBILE COURT serves 99 people in ROLLING PRAIRIE, Indiana. It is a Private-owned system using Groundwater water sources with 59 service connections.
What type of violations does COLONIAL MOBILE COURT have? ▼
COLONIAL MOBILE COURT has 645 total violations: 11 health-based violations (MCL exceedances or treatment failures), 514 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COLONIAL MOBILE COURT water? ▼
No PFAS testing data is available for COLONIAL MOBILE COURT under the EPA's UCMR5 monitoring program.
What water source does COLONIAL MOBILE COURT use? ▼
COLONIAL MOBILE COURT uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Water in Indiana

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Indiana

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial