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Community Water System · PWS IN5202010

Mill Road Estates

Durham, Indiana 27703 - drinking water served from groundwater sources to 150 people, tracked in EPA SDWIS and UCMR5.

150
People served
276
EPA violations
25
Health-based
Untested
UCMR5 result

The verdict

EPA records 276 drinking-water violations at Mill Road Estates, 9% of them health-based - above the Indiana per-system average.

276
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
150
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mill Road Estates

Mill Road Estates is a private-owned community water system that delivers drinking water to 150 residents in Durham, Indiana (Allen County) through 78 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 276 total violations for this system , of which 25 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 225 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 Coliform (TCR), recorded in 43 violations (MR). 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. Statewide, 93 of 229 UCMR5-tested systems have reported PFAS detections (40.6%).

Mill Road Estates's 276 violations sit above the Indiana average.

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
150
Total Violations
276
Health-Based Violations
25
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
78
County
Allen
School/Daycare
No
MCL Violations
25
Monitoring Violations
225
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 43 2009
Coliform (TCR) MCL 25 2013
Consumer Confidence Rule Other 21 2024
Nitrate MR 11 2015
Lead and Copper Rule MR 8 2020
Revised Total Coliform Rule MON 7 2022
BHC-GAMMA MR 4 2015
Methoxychlor MR 4 2015
Toxaphene MR 4 2015
Dalapon MR 4 2015
Diquat MR 4 2015
Di(2-ethylhexyl) adipate MR 4 2015
Simazine MR 4 2015
Di(2-ethylhexyl) phthalate MR 4 2015
Picloram MR 4 2015
Dinoseb MR 4 2015
Hexachlorocyclopentadiene MR 4 2015
Carbofuran MR 4 2015
Atrazine MR 4 2015
2,4-D MR 4 2015
2,4,5-TP MR 4 2015
HEXACHLOROBENZENE MR 4 2015
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2015
ETHYLENE DIBROMIDE MR 4 2015
Chlordane MR 4 2015
Radium-226 MR 4 1995
Endothall MR 4 2015
Heptachlor MR 4 2015
OXAMYL MR 4 2015
LASSO MR 4 2015

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 Mill Road Estates.

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 IN5202010 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 Mill Road Estates 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 Consumer Confidence Rule Other 21 SDWIS / IN5202010 / 7000
2022 Revised Total Coliform Rule MON 7 SDWIS / IN5202010 / 8000
2021 E. COLI MR 3 SDWIS / IN5202010 / 3014
2020 Lead and Copper Rule MR 8 SDWIS / IN5202010 / 5000
2017 Revised Total Coliform Rule Other 3 SDWIS / IN5202010 / 8000
2015 Nitrate MR 11 SDWIS / IN5202010 / 1040
2015 BHC-GAMMA MR 4 SDWIS / IN5202010 / 2010
2015 Methoxychlor MR 4 SDWIS / IN5202010 / 2015
2015 Toxaphene MR 4 SDWIS / IN5202010 / 2020
2015 Dalapon MR 4 SDWIS / IN5202010 / 2031
2015 Diquat MR 4 SDWIS / IN5202010 / 2032
2015 Di(2-ethylhexyl) adipate MR 4 SDWIS / IN5202010 / 2035
2015 Simazine MR 4 SDWIS / IN5202010 / 2037
2015 Di(2-ethylhexyl) phthalate MR 4 SDWIS / IN5202010 / 2039
2015 Picloram MR 4 SDWIS / IN5202010 / 2040

How Mill Road Estates Compares

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

Metric Mill Road Estates Indiana avg Federal benchmark
Total violations 276 88.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 25 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 150 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Mill Road Estates water safe to drink? ▼
Mill Road Estates (PWS ID: IN5202010) has 276 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does Mill Road Estates serve? ▼
Mill Road Estates serves 150 people in Durham, Indiana. It is a Private-owned system using Groundwater water sources with 78 service connections.
What type of violations does Mill Road Estates have? ▼
Mill Road Estates has 276 total violations: 25 health-based violations (MCL exceedances or treatment failures), 225 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mill Road Estates water? ▼
No PFAS testing data is available for Mill Road Estates under the EPA's UCMR5 monitoring program.
What water source does Mill Road Estates use? ▼
Mill Road Estates 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.
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.

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 system's figures are rendered directly from 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.