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Non-Transient Non-Community Water System · PWS IN2320021

Cascade Senior High School

Clayton, Indiana 46118 - drinking water served from groundwater sources to 975 people, tracked in EPA SDWIS and UCMR5.

975
People served
243
EPA violations
9
Health-based
Untested
UCMR5 result

The verdict

EPA records 243 drinking-water violations at Cascade Senior High School, 4% of them health-based - above the Indiana per-system average.

243
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
975
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cascade Senior High School

Cascade Senior High School is a local-owned non-transient non-community water system that delivers drinking water to 975 residents in Clayton, Indiana (Hendricks County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 243 total violations for this system , of which 9 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 234 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 11 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%).

Cascade Senior High School's 243 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
975
Total Violations
243
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Hendricks
School/Daycare
Yes
MCL Violations
9
Monitoring Violations
234
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 1997
Coliform (TCR) MCL 9 1994
Nitrate MR 9 1996
Vinyl chloride MR 6 2005
1,1-Dichloroethylene MR 6 2005
trans-1,2-Dichloroethylene MR 6 2005
1,2-Dichloroethane MR 6 2005
Carbon tetrachloride MR 6 2005
1,2-Dichloropropane MR 6 2005
Trichloroethylene MR 6 2005
1,1,2-Trichloroethane MR 6 2005
Tetrachloroethylene MR 6 2005
Benzene MR 6 2005
Ethylbenzene MR 6 2005
Xylenes, Total MR 6 2005
cis-1,2-Dichloroethylene MR 6 2005
o-Dichlorobenzene MR 6 2005
p-Dichlorobenzene MR 6 2005
1,1,1-Trichloroethane MR 6 2005
Toluene MR 6 2005
Styrene MR 6 2005
DICHLOROMETHANE MR 6 2005
1,2,4-Trichlorobenzene MR 6 2005
CHLOROBENZENE MR 6 2005
E. COLI MR 4 2020
BHC-GAMMA MR 3 2001
Methoxychlor MR 3 2001
Dalapon MR 3 2001
Endothall MR 3 2001
Di(2-ethylhexyl) adipate MR 3 2001

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 Cascade Senior High School.

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 IN2320021 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 Cascade Senior High School 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 E. COLI MR 4 SDWIS / IN2320021 / 3014
2005 Vinyl chloride MR 6 SDWIS / IN2320021 / 2976
2005 1,1-Dichloroethylene MR 6 SDWIS / IN2320021 / 2977
2005 trans-1,2-Dichloroethylene MR 6 SDWIS / IN2320021 / 2979
2005 1,2-Dichloroethane MR 6 SDWIS / IN2320021 / 2980
2005 Carbon tetrachloride MR 6 SDWIS / IN2320021 / 2982
2005 1,2-Dichloropropane MR 6 SDWIS / IN2320021 / 2983
2005 Trichloroethylene MR 6 SDWIS / IN2320021 / 2984
2005 1,1,2-Trichloroethane MR 6 SDWIS / IN2320021 / 2985
2005 Tetrachloroethylene MR 6 SDWIS / IN2320021 / 2987
2005 Benzene MR 6 SDWIS / IN2320021 / 2990
2005 Ethylbenzene MR 6 SDWIS / IN2320021 / 2992
2005 Xylenes, Total MR 6 SDWIS / IN2320021 / 2955
2005 cis-1,2-Dichloroethylene MR 6 SDWIS / IN2320021 / 2380
2005 o-Dichlorobenzene MR 6 SDWIS / IN2320021 / 2968

How Cascade Senior High School Compares

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

Metric Cascade Senior High School Indiana avg Federal benchmark
Total violations 243 88.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 9 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 975 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 Cascade Senior High School water safe to drink? ▼
Cascade Senior High School (PWS ID: IN2320021) has 243 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 975 people using Groundwater sources.
How many people does Cascade Senior High School serve? ▼
Cascade Senior High School serves 975 people in Clayton, Indiana. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Cascade Senior High School have? ▼
Cascade Senior High School has 243 total violations: 9 health-based violations (MCL exceedances or treatment failures), 234 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cascade Senior High School water? ▼
No PFAS testing data is available for Cascade Senior High School under the EPA's UCMR5 monitoring program.
What water source does Cascade Senior High School use? ▼
Cascade Senior High School 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.

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.