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Community Water System · PWS MO6036028

Lake Lorraine Water Co

Hillsboro, Missouri 63050-0000 - drinking water served from groundwater sources to 230 people, tracked in EPA SDWIS and UCMR5.

230
People served
34
EPA violations
25
Health-based
Untested
UCMR5 result

The verdict

EPA records 34 drinking-water violations at Lake Lorraine Water Co, 74% of them health-based - below the Missouri per-system average.

34
Total EPA violations on record
74%
Health-based (MCL / treatment failure)
230
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lake Lorraine Water Co

Lake Lorraine Water Co is a private-owned community water system that delivers drinking water to 230 residents in Hillsboro, Missouri (Jefferson County) through 105 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 34 total violations for this system , of which 25 (74%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 6 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 25 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 Missouri, EPA tracks 2,823 public water systems serving 5,855,885 people, with 201,695 cumulative violations and 54,821 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 71.4 violations. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%).

Lake Lorraine Water Co's 34 violations sit below the Missouri 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
230
Total Violations
34
Health-Based Violations
25
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
105
County
Jefferson
School/Daycare
No
MCL Violations
25
Monitoring Violations
6
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 25 2014
Coliform (TCR) MR 4 2015
Consumer Confidence Rule Other 2 2013
Lead and Copper Rule MR 1 2006
Nitrate-Nitrite MR 1 2005

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 Lorraine Water Co.

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 MO6036028 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Missouri Drinking Water Authority

Missouri DNR, Public Drinking Water Branch is the primacy agency that licenses and inspects Lake Lorraine Water Co under EPA-delegated authority.

Open MO regulator portal

Source: Missouri DNR, Public 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
2015 Coliform (TCR) MR 4 SDWIS / MO6036028 / 3100
2014 Coliform (TCR) MCL 25 SDWIS / MO6036028 / 3100
2013 Consumer Confidence Rule Other 2 SDWIS / MO6036028 / 7000
2006 Lead and Copper Rule MR 1 SDWIS / MO6036028 / 5000
2005 Nitrate-Nitrite MR 1 SDWIS / MO6036028 / 1038

How Lake Lorraine Water Co Compares

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

Metric Lake Lorraine Water Co Missouri avg Federal benchmark
Total violations 34 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 25 19.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 70.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 230 2,074 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,823 regulated public water systems in Missouri.

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 Lake Lorraine Water Co water safe to drink?
Lake Lorraine Water Co (PWS ID: MO6036028) has 34 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 230 people using Groundwater sources.
How many people does Lake Lorraine Water Co serve?
Lake Lorraine Water Co serves 230 people in Hillsboro, Missouri. It is a Private-owned system using Groundwater water sources with 105 service connections.
What type of violations does Lake Lorraine Water Co have?
Lake Lorraine Water Co has 34 total violations: 25 health-based violations (MCL exceedances or treatment failures), 6 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lake Lorraine Water Co water?
No PFAS testing data is available for Lake Lorraine Water Co under the EPA's UCMR5 monitoring program.
What water source does Lake Lorraine Water Co use?
Lake Lorraine Water Co 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.
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.