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Community Water System · PWS IN5215001

Aurora Utilities

Aurora, Indiana 47001 - drinking water served from groundwater sources to 6,415 people, tracked in EPA SDWIS and UCMR5.

6,415
People served
67
EPA violations
2
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 67 drinking-water violations at Aurora Utilities, 3% of them health-based - below the Indiana per-system average.

67
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
6,415
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Aurora Utilities

Aurora Utilities is a local-owned community water system that delivers drinking water to 6,415 residents in Aurora, Indiana (Dearborn County) through 2,566 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 67 total violations for this system , of which 2 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 61 monitoring and reporting violations are on file. The most recent violation on record dates to 1997.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 6 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Aurora Utilities's 67 violations sit below 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
6,415
Total Violations
67
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,566
County
Dearborn
School/Daycare
No
MCL Violations
2
Monitoring Violations
61
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 6 1997
Picloram MR 2 1994
Hexachlorocyclopentadiene MR 2 1994
Heptachlor MR 2 1994
Coliform (TCR) MCL 2 1996
Heptachlor epoxide MR 2 1994
1,2-DIBROMO-3-CHLOROPROPANE MR 2 1994
ETHYLENE DIBROMIDE MR 2 1994
Methoxychlor MR 2 1994
Toxaphene MR 2 1994
Diquat MR 2 1994
Endothall MR 2 1994
Di(2-ethylhexyl) adipate MR 2 1994
Simazine MR 2 1994
Benzo(a)pyrene MR 2 1994
Atrazine MR 2 1994
BHC-GAMMA MR 2 1994
Carbofuran MR 2 1994
Di(2-ethylhexyl) phthalate MR 2 1994
HEXACHLOROBENZENE MR 2 1994
OXAMYL MR 2 1994
LASSO MR 2 1994
Dalapon MR 2 1994
Endrin MR 2 1994
Pentachlorophenol MR 2 1994
2,4,5-TP MR 2 1994
2,4-D MR 2 1994
Chlordane MR 2 1994
Dinoseb MR 2 1994
Gross Alpha, Excl. Radon and U MR 1 1980

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 29 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/7/2025 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 7/7/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/7/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/7/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/7/2025 <20.00 ppt 20.00 ppt Not Detected
HFPO-DA 7/7/2025 <5.00 ppt 5.00 ppt Not Detected
PFDoA 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/7/2025 <4.00 ppt 4.00 ppt Not Detected
ADONA 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 7/7/2025 <4.00 ppt 4.00 ppt Not Detected
PFBA 7/7/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/7/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/7/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeS 7/7/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/7/2025 <4.00 ppt 4.00 ppt Not Detected
PFTA 6/3/2025 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 6/3/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 6/3/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 6/3/2025 <6.00 ppt 6.00 ppt Not Detected

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 Aurora Utilities.

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 IN5215001 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 Aurora Utilities 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
1997 Coliform (TCR) MR 6 SDWIS / IN5215001 / 3100
1996 Coliform (TCR) MCL 2 SDWIS / IN5215001 / 3100
1994 Picloram MR 2 SDWIS / IN5215001 / 2040
1994 Hexachlorocyclopentadiene MR 2 SDWIS / IN5215001 / 2042
1994 Heptachlor MR 2 SDWIS / IN5215001 / 2065
1994 Heptachlor epoxide MR 2 SDWIS / IN5215001 / 2067
1994 1,2-DIBROMO-3-CHLOROPROPANE MR 2 SDWIS / IN5215001 / 2931
1994 ETHYLENE DIBROMIDE MR 2 SDWIS / IN5215001 / 2946
1994 Methoxychlor MR 2 SDWIS / IN5215001 / 2015
1994 Toxaphene MR 2 SDWIS / IN5215001 / 2020
1994 Diquat MR 2 SDWIS / IN5215001 / 2032
1994 Endothall MR 2 SDWIS / IN5215001 / 2033
1994 Di(2-ethylhexyl) adipate MR 2 SDWIS / IN5215001 / 2035
1994 Simazine MR 2 SDWIS / IN5215001 / 2037
1994 Benzo(a)pyrene MR 2 SDWIS / IN5215001 / 2306

How Aurora Utilities Compares

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

Metric Aurora Utilities Indiana avg Federal benchmark
Total violations 67 88.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 6,415 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 Aurora Utilities water safe to drink? ▼
Aurora Utilities (PWS ID: IN5215001) has 67 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 6,415 people using Groundwater sources.
How many people does Aurora Utilities serve? ▼
Aurora Utilities serves 6,415 people in Aurora, Indiana. It is a Local-owned system using Groundwater water sources with 2,566 service connections.
What type of violations does Aurora Utilities have? ▼
Aurora Utilities has 67 total violations: 2 health-based violations (MCL exceedances or treatment failures), 61 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Aurora Utilities water? ▼
No. Aurora Utilities was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Aurora Utilities use? ▼
Aurora Utilities 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.