PlainWater

DELPHI WATER WORKS

PWS ID: IN5208002 · DELPHI, Indiana 46923-1594

DELPHI WATER WORKS serves 3,200 people in DELPHI, Indiana using Groundwater water sources. It has 205 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DELPHI WATER WORKS

DELPHI WATER WORKS is a local-owned community water system that delivers drinking water to 3,200 residents in DELPHI, Indiana (Carroll County) through 1,200 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 205 total violations for this system , of which 2 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 196 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Atrazine, recorded in 13 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. DELPHI WATER WORKS's 205 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
3,200
Total Violations
205
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,200
County
Carroll
School/Daycare
No
MCL Violations
0
Monitoring Violations
196
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Atrazine MR 13 2023
Nitrate MR 10 2009
Endrin MR 6 2023
BHC-GAMMA MR 6 2023
Toxaphene MR 6 2023
Dalapon MR 6 2023
Di(2-ethylhexyl) adipate MR 6 2023
OXAMYL MR 6 2023
Simazine MR 6 2023
Di(2-ethylhexyl) phthalate MR 6 2023
Picloram MR 6 2023
Dinoseb MR 6 2023
Hexachlorocyclopentadiene MR 6 2023
LASSO MR 6 2023
Heptachlor epoxide MR 6 2023
2,4,5-TP MR 6 2023
HEXACHLOROBENZENE MR 6 2023
Benzo(a)pyrene MR 6 2023
Pentachlorophenol MR 6 2023
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2023
ETHYLENE DIBROMIDE MR 6 2023
Chlordane MR 6 2023
Diquat MR 6 2023
Endothall MR 6 2023
Carbofuran MR 6 2023
Heptachlor MR 6 2023
2,4-D MR 6 2023
Consumer Confidence Rule Other 6 2005
Methoxychlor MR 6 2023
Lead and Copper Rule MR 5 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 DELPHI WATER WORKS.

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 IN5208002 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 DELPHI WATER WORKS 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
2023 Atrazine MR 13 SDWIS / IN5208002 / 2050
2023 Endrin MR 6 SDWIS / IN5208002 / 2005
2023 BHC-GAMMA MR 6 SDWIS / IN5208002 / 2010
2023 Toxaphene MR 6 SDWIS / IN5208002 / 2020
2023 Dalapon MR 6 SDWIS / IN5208002 / 2031
2023 Di(2-ethylhexyl) adipate MR 6 SDWIS / IN5208002 / 2035
2023 OXAMYL MR 6 SDWIS / IN5208002 / 2036
2023 Simazine MR 6 SDWIS / IN5208002 / 2037
2023 Di(2-ethylhexyl) phthalate MR 6 SDWIS / IN5208002 / 2039
2023 Picloram MR 6 SDWIS / IN5208002 / 2040
2023 Dinoseb MR 6 SDWIS / IN5208002 / 2041
2023 Hexachlorocyclopentadiene MR 6 SDWIS / IN5208002 / 2042
2023 LASSO MR 6 SDWIS / IN5208002 / 2051
2023 Heptachlor epoxide MR 6 SDWIS / IN5208002 / 2067
2023 2,4,5-TP MR 6 SDWIS / IN5208002 / 2110

How DELPHI WATER WORKS Compares

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

Metric DELPHI WATER WORKS Indiana avg Federal benchmark
Total violations 205 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 3,200 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 DELPHI WATER WORKS water safe to drink?
DELPHI WATER WORKS (PWS ID: IN5208002) has 205 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,200 people using Groundwater sources.
How many people does DELPHI WATER WORKS serve?
DELPHI WATER WORKS serves 3,200 people in DELPHI, Indiana. It is a Local-owned system using Groundwater water sources with 1,200 service connections.
What type of violations does DELPHI WATER WORKS have?
DELPHI WATER WORKS has 205 total violations: 2 health-based violations (MCL exceedances or treatment failures), 196 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DELPHI WATER WORKS water?
No PFAS testing data is available for DELPHI WATER WORKS under the EPA's UCMR5 monitoring program.
What water source does DELPHI WATER WORKS use?
DELPHI WATER WORKS 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

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