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LEWISVILLE WATER WORKS

PWS ID: IN5233006 · KNIGHTSTOWN, Indiana 46148

LEWISVILLE WATER WORKS serves 392 people in KNIGHTSTOWN, Indiana using Groundwater water sources. It has 47 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LEWISVILLE WATER WORKS

LEWISVILLE WATER WORKS is a local-owned community water system that delivers drinking water to 392 residents in KNIGHTSTOWN, Indiana (Henry County) through 199 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 47 total violations for this system , of which 3 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 32 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 10 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. LEWISVILLE WATER WORKS's 47 violations sit below 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
392
Total Violations
47
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
199
County
Henry
School/Daycare
No
MCL Violations
3
Monitoring Violations
32
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 10 2008
Total Haloacetic Acids (HAA5) MR 7 2016
TTHM MR 7 2016
Bromate MR 6 2010
Thallium, Total MCL 3 2002
Gross Alpha, Excl. Radon and U MR 2 1987

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 LEWISVILLE 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 IN5233006 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 LEWISVILLE 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
2016 Total Haloacetic Acids (HAA5) MR 7 SDWIS / IN5233006 / 2456
2016 TTHM MR 7 SDWIS / IN5233006 / 2950
2010 Bromate MR 6 SDWIS / IN5233006 / 1011
2008 Coliform (TCR) MR 10 SDWIS / IN5233006 / 3100
2002 Thallium, Total MCL 3 SDWIS / IN5233006 / 1085
1987 Gross Alpha, Excl. Radon and U MR 2 SDWIS / IN5233006 / 4000

How LEWISVILLE WATER WORKS Compares

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

Metric LEWISVILLE WATER WORKS Indiana avg Federal benchmark
Total violations 47 88.9 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 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 392 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 LEWISVILLE WATER WORKS water safe to drink?
LEWISVILLE WATER WORKS (PWS ID: IN5233006) has 47 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 392 people using Groundwater sources.
How many people does LEWISVILLE WATER WORKS serve?
LEWISVILLE WATER WORKS serves 392 people in KNIGHTSTOWN, Indiana. It is a Local-owned system using Groundwater water sources with 199 service connections.
What type of violations does LEWISVILLE WATER WORKS have?
LEWISVILLE WATER WORKS has 47 total violations: 3 health-based violations (MCL exceedances or treatment failures), 32 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LEWISVILLE WATER WORKS water?
No PFAS testing data is available for LEWISVILLE WATER WORKS under the EPA's UCMR5 monitoring program.
What water source does LEWISVILLE WATER WORKS use?
LEWISVILLE 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.

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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 PlainWater Editorial