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Non-Transient Non-Community Water System · PWS IN2640899

IN Dunes Natl Lakeshore-Bldgs 101-119

Porter, Indiana 46304 - drinking water served from groundwater sources to 80 people, tracked in EPA SDWIS and UCMR5.

80
People served
114
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 114 drinking-water violations at IN Dunes Natl Lakeshore-Bldgs 101-119 - above the Indiana per-system average.

114
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
80
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: IN Dunes Natl Lakeshore-Bldgs 101-119

IN Dunes Natl Lakeshore-Bldgs 101-119 is a federal-owned non-transient non-community water system that delivers drinking water to 80 residents in Porter, Indiana (Porter County) through 9 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 114 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 114 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 6 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%).

IN Dunes Natl Lakeshore-Bldgs 101-119's 114 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
80
Total Violations
114
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Federal
Connections
9
County
Porter
School/Daycare
No
MCL Violations
0
Monitoring Violations
114
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 6 2018
Nitrate MR 3 2000
TTHM MR 3 2021
cis-1,2-Dichloroethylene MR 3 2021
DICHLOROMETHANE MR 3 2021
p-Dichlorobenzene MR 3 2021
Vinyl chloride MR 3 2021
trans-1,2-Dichloroethylene MR 3 2021
1,2-Dichloroethane MR 3 2021
Carbon tetrachloride MR 3 2021
1,2-Dichloropropane MR 3 2021
Trichloroethylene MR 3 2021
1,1,2-Trichloroethane MR 3 2021
Tetrachloroethylene MR 3 2021
CHLOROBENZENE MR 3 2021
Benzene MR 3 2021
Toluene MR 3 2021
Ethylbenzene MR 3 2021
Arsenic MR 3 2021
Barium MR 3 2021
Cadmium MR 3 2021
Chromium MR 3 2021
Mercury MR 3 2021
Nickel MR 3 2021
Thallium, Total MR 3 2021
Selenium MR 3 2021
Total Haloacetic Acids (HAA5) MR 3 2021
o-Dichlorobenzene MR 3 2021
Revised Total Coliform Rule MON 3 2020
Styrene MR 3 2021

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 IN Dunes Natl Lakeshore-Bldgs 101-119.

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 IN2640899 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 IN Dunes Natl Lakeshore-Bldgs 101-119 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
2021 TTHM MR 3 SDWIS / IN2640899 / 2950
2021 cis-1,2-Dichloroethylene MR 3 SDWIS / IN2640899 / 2380
2021 DICHLOROMETHANE MR 3 SDWIS / IN2640899 / 2964
2021 p-Dichlorobenzene MR 3 SDWIS / IN2640899 / 2969
2021 Vinyl chloride MR 3 SDWIS / IN2640899 / 2976
2021 trans-1,2-Dichloroethylene MR 3 SDWIS / IN2640899 / 2979
2021 1,2-Dichloroethane MR 3 SDWIS / IN2640899 / 2980
2021 Carbon tetrachloride MR 3 SDWIS / IN2640899 / 2982
2021 1,2-Dichloropropane MR 3 SDWIS / IN2640899 / 2983
2021 Trichloroethylene MR 3 SDWIS / IN2640899 / 2984
2021 1,1,2-Trichloroethane MR 3 SDWIS / IN2640899 / 2985
2021 Tetrachloroethylene MR 3 SDWIS / IN2640899 / 2987
2021 CHLOROBENZENE MR 3 SDWIS / IN2640899 / 2989
2021 Benzene MR 3 SDWIS / IN2640899 / 2990
2021 Toluene MR 3 SDWIS / IN2640899 / 2991

How IN Dunes Natl Lakeshore-Bldgs 101-119 Compares

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

Metric IN Dunes Natl Lakeshore-Bldgs 101-119 Indiana avg Federal benchmark
Total violations 114 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 80 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 IN Dunes Natl Lakeshore-Bldgs 101-119 water safe to drink?
IN Dunes Natl Lakeshore-Bldgs 101-119 (PWS ID: IN2640899) has 114 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 80 people using Groundwater sources.
How many people does IN Dunes Natl Lakeshore-Bldgs 101-119 serve?
IN Dunes Natl Lakeshore-Bldgs 101-119 serves 80 people in Porter, Indiana. It is a Federal-owned system using Groundwater water sources with 9 service connections.
What type of violations does IN Dunes Natl Lakeshore-Bldgs 101-119 have?
IN Dunes Natl Lakeshore-Bldgs 101-119 has 114 total violations: 0 health-based violations (MCL exceedances or treatment failures), 114 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in IN Dunes Natl Lakeshore-Bldgs 101-119 water?
No PFAS testing data is available for IN Dunes Natl Lakeshore-Bldgs 101-119 under the EPA's UCMR5 monitoring program.
What water source does IN Dunes Natl Lakeshore-Bldgs 101-119 use?
IN Dunes Natl Lakeshore-Bldgs 101-119 uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.
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.