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ROCKVILLE LIGHT & WATER

PWS ID: IN5261006 · ROCKVILLE, Indiana 47872

ROCKVILLE LIGHT & WATER serves 4,195 people in ROCKVILLE, Indiana using Groundwater water sources. It has 121 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ROCKVILLE LIGHT & WATER

ROCKVILLE LIGHT & WATER is a local-owned community water system that delivers drinking water to 4,195 residents in ROCKVILLE, Indiana (Parke County) through 1,530 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 121 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 104 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 13 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. ROCKVILLE LIGHT & WATER's 121 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
4,195
Total Violations
121
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,530
County
Parke
School/Daycare
No
MCL Violations
0
Monitoring Violations
104
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 13 2015
Consumer Confidence Rule Other 8 2020
OXAMYL MR 3 1994
Simazine MR 3 1994
Di(2-ethylhexyl) phthalate MR 3 1994
Dinoseb MR 3 1994
Hexachlorocyclopentadiene MR 3 1994
Carbofuran MR 3 1994
Heptachlor MR 3 1994
Heptachlor epoxide MR 3 1994
2,4-D MR 3 1994
HEXACHLOROBENZENE MR 3 1994
Pentachlorophenol MR 3 1994
1,2-DIBROMO-3-CHLOROPROPANE MR 3 1994
ETHYLENE DIBROMIDE MR 3 1994
Chlordane MR 3 1994
Revised Total Coliform Rule RPT 3 2017
Revised Total Coliform Rule MON 3 2019
BHC-GAMMA MR 3 1994
Methoxychlor MR 3 1994
Dalapon MR 3 1994
LASSO MR 3 1994
Total Haloacetic Acids (HAA5) MR 3 2017
Di(2-ethylhexyl) adipate MR 3 1994
Endothall MR 3 1994
Diquat MR 3 1994
2,4,5-TP MR 3 1994
Toxaphene MR 3 1994
Atrazine MR 3 1994
Benzo(a)pyrene MR 3 1994

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/5/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 6/5/2024 <9 µg/L 9 µg/L Not Detected
PFPeS 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 6/5/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/5/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFTrDA 6/5/2024 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 6/5/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/5/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/5/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 6/5/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 12/2/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 12/2/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 12/2/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 12/2/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 12/2/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 12/2/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 12/2/2024 <0.002 µg/L 0.002 µg/L Not Detected
NFDHA 12/2/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 12/2/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 12/2/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 12/2/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 12/2/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 12/2/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 12/2/2024 <9 µg/L 9 µg/L 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 ROCKVILLE LIGHT & WATER.

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 IN5261006 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 ROCKVILLE LIGHT & WATER 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
2020 Consumer Confidence Rule Other 8 SDWIS / IN5261006 / 7000
2019 Revised Total Coliform Rule MON 3 SDWIS / IN5261006 / 8000
2017 Revised Total Coliform Rule RPT 3 SDWIS / IN5261006 / 8000
2017 Total Haloacetic Acids (HAA5) MR 3 SDWIS / IN5261006 / 2456
2017 TTHM MR 3 SDWIS / IN5261006 / 2950
2015 Coliform (TCR) MR 13 SDWIS / IN5261006 / 3100
1994 OXAMYL MR 3 SDWIS / IN5261006 / 2036
1994 Simazine MR 3 SDWIS / IN5261006 / 2037
1994 Di(2-ethylhexyl) phthalate MR 3 SDWIS / IN5261006 / 2039
1994 Dinoseb MR 3 SDWIS / IN5261006 / 2041
1994 Hexachlorocyclopentadiene MR 3 SDWIS / IN5261006 / 2042
1994 Carbofuran MR 3 SDWIS / IN5261006 / 2046
1994 Heptachlor MR 3 SDWIS / IN5261006 / 2065
1994 Heptachlor epoxide MR 3 SDWIS / IN5261006 / 2067
1994 2,4-D MR 3 SDWIS / IN5261006 / 2105

How ROCKVILLE LIGHT & WATER Compares

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

Metric ROCKVILLE LIGHT & WATER Indiana avg Federal benchmark
Total violations 121 88.9 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 4,195 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 ROCKVILLE LIGHT & WATER water safe to drink? ▼
ROCKVILLE LIGHT & WATER (PWS ID: IN5261006) has 121 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,195 people using Groundwater sources.
How many people does ROCKVILLE LIGHT & WATER serve? ▼
ROCKVILLE LIGHT & WATER serves 4,195 people in ROCKVILLE, Indiana. It is a Local-owned system using Groundwater water sources with 1,530 service connections.
What type of violations does ROCKVILLE LIGHT & WATER have? ▼
ROCKVILLE LIGHT & WATER has 121 total violations: 0 health-based violations (MCL exceedances or treatment failures), 104 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ROCKVILLE LIGHT & WATER water? ▼
No. ROCKVILLE LIGHT & WATER was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does ROCKVILLE LIGHT & WATER use? ▼
ROCKVILLE LIGHT & WATER 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial