PlainWater
States → Indiana

LAKE SANTEE RWWD

PWS ID: IN5216003 · GREENSBURG, Indiana 47240-7800

LAKE SANTEE RWWD serves 1,500 people in GREENSBURG, Indiana using Surface Water water sources. It has 326 recorded EPA violations, including 57 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LAKE SANTEE RWWD

LAKE SANTEE RWWD is a local-owned community water system that delivers drinking water to 1,500 residents in GREENSBURG, Indiana (Decatur County) through 596 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 326 total violations for this system , of which 57 (17%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 251 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 53 violations (MCL, health-based). 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. LAKE SANTEE RWWD's 326 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
1,500
Total Violations
326
Health-Based Violations
57
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
596
County
Decatur
School/Daycare
No
MCL Violations
53
Monitoring Violations
251
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 53 2020
Consumer Confidence Rule Other 10 2025
Coliform (TCR) MR 10 2015
Revised Total Coliform Rule MON 9 2025
Simazine MR 7 2015
Picloram MR 7 2015
Dinoseb MR 7 2015
Carbofuran MR 7 2015
LASSO MR 7 2015
Endrin MR 7 2015
Heptachlor MR 7 2015
Heptachlor epoxide MR 7 2015
2,4-D MR 7 2015
Benzo(a)pyrene MR 7 2015
Pentachlorophenol MR 7 2015
ETHYLENE DIBROMIDE MR 7 2015
BHC-GAMMA MR 7 2015
Chlordane MR 7 2015
Methoxychlor MR 7 2015
Toxaphene MR 7 2015
Dalapon MR 7 2015
Diquat MR 7 2015
Endothall MR 7 2015
OXAMYL MR 7 2015
Di(2-ethylhexyl) phthalate MR 7 2015
Atrazine MR 7 2015
Di(2-ethylhexyl) adipate MR 7 2015
1,2-DIBROMO-3-CHLOROPROPANE MR 7 2015
Hexachlorocyclopentadiene MR 7 2015
2,4,5-TP MR 7 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 LAKE SANTEE RWWD.

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 IN5216003 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 LAKE SANTEE RWWD 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
2025 Consumer Confidence Rule Other 10 SDWIS / IN5216003 / 7000
2025 Revised Total Coliform Rule MON 9 SDWIS / IN5216003 / 8000
2024 Lead and Copper Rule MR 2 SDWIS / IN5216003 / 5000
2021 Revised Total Coliform Rule RPT 3 SDWIS / IN5216003 / 8000
2020 Total Haloacetic Acids (HAA5) MCL 53 SDWIS / IN5216003 / 2456
2015 Coliform (TCR) MR 10 SDWIS / IN5216003 / 3100
2015 Simazine MR 7 SDWIS / IN5216003 / 2037
2015 Picloram MR 7 SDWIS / IN5216003 / 2040
2015 Dinoseb MR 7 SDWIS / IN5216003 / 2041
2015 Carbofuran MR 7 SDWIS / IN5216003 / 2046
2015 LASSO MR 7 SDWIS / IN5216003 / 2051
2015 Endrin MR 7 SDWIS / IN5216003 / 2005
2015 Heptachlor MR 7 SDWIS / IN5216003 / 2065
2015 Heptachlor epoxide MR 7 SDWIS / IN5216003 / 2067
2015 2,4-D MR 7 SDWIS / IN5216003 / 2105

How LAKE SANTEE RWWD Compares

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

Metric LAKE SANTEE RWWD Indiana avg Federal benchmark
Total violations 326 88.9 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 57 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 1,500 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 LAKE SANTEE RWWD water safe to drink? ▼
LAKE SANTEE RWWD (PWS ID: IN5216003) has 326 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,500 people using Surface Water sources.
How many people does LAKE SANTEE RWWD serve? ▼
LAKE SANTEE RWWD serves 1,500 people in GREENSBURG, Indiana. It is a Local-owned system using Surface Water water sources with 596 service connections.
What type of violations does LAKE SANTEE RWWD have? ▼
LAKE SANTEE RWWD has 326 total violations: 57 health-based violations (MCL exceedances or treatment failures), 251 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LAKE SANTEE RWWD water? ▼
No PFAS testing data is available for LAKE SANTEE RWWD under the EPA's UCMR5 monitoring program.
What water source does LAKE SANTEE RWWD use? ▼
LAKE SANTEE RWWD uses Surface Water 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 Kiznis Studio Editorial