PlainWater

Community Water System · PWS MO4036038

Hillcrest Utility Operating Company Inc

Des Peres, Missouri 63131-0000 - drinking water served from groundwater sources to 700 people, tracked in EPA SDWIS and UCMR5.

700
People served
320
EPA violations
42
Health-based
Untested
UCMR5 result

The verdict

EPA records 320 drinking-water violations at Hillcrest Utility Operating Company Inc, 13% of them health-based - above the Missouri per-system average.

320
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
700
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hillcrest Utility Operating Company Inc

Hillcrest Utility Operating Company Inc is a private-owned community water system that delivers drinking water to 700 residents in Des Peres, Missouri (Cape Girardeau County) through 244 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 320 total violations for this system , of which 42 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 254 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 33 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 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%).

Hillcrest Utility Operating Company Inc's 320 violations sit above 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
700
Total Violations
320
Health-Based Violations
42
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
244
County
Cape Girardeau
School/Daycare
No
MCL Violations
31
Monitoring Violations
254
Treatment Tech Violations
11

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 33 2014
Coliform (TCR) MCL 31 2014
Groundwater Rule TT 11 2014
Consumer Confidence Rule Other 9 2014
Public Notice Other 6 2015
BHC-GAMMA MR 5 2008
OXAMYL MR 5 2008
Simazine MR 5 2008
Picloram MR 5 2008
Dinoseb MR 5 2008
Hexachlorocyclopentadiene MR 5 2008
Aldicarb sulfone MR 5 2008
Carbofuran MR 5 2008
Aldicarb MR 5 2008
LASSO MR 5 2008
Heptachlor epoxide MR 5 2008
2,4,5-TP MR 5 2008
Methoxychlor MR 5 2008
Chlordane MR 5 2008
E. COLI MR 5 2012
Toxaphene MR 5 2008
Dalapon MR 5 2008
Endrin MR 5 2008
Pentachlorophenol MR 5 2008
Aldicarb sulfoxide MR 5 2008
2,4-D MR 5 2008
HEXACHLOROBENZENE MR 5 2008
Heptachlor MR 5 2008
Atrazine MR 5 2008
Arsenic MR 3 2006

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 Hillcrest Utility Operating Company Inc.

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 MO4036038 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 Hillcrest Utility Operating Company Inc 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 Public Notice Other 6 SDWIS / MO4036038 / 7500
2014 Coliform (TCR) MR 33 SDWIS / MO4036038 / 3100
2014 Coliform (TCR) MCL 31 SDWIS / MO4036038 / 3100
2014 Groundwater Rule TT 11 SDWIS / MO4036038 / 0700
2014 Consumer Confidence Rule Other 9 SDWIS / MO4036038 / 7000
2012 E. COLI MR 5 SDWIS / MO4036038 / 3014
2008 BHC-GAMMA MR 5 SDWIS / MO4036038 / 2010
2008 OXAMYL MR 5 SDWIS / MO4036038 / 2036
2008 Simazine MR 5 SDWIS / MO4036038 / 2037
2008 Picloram MR 5 SDWIS / MO4036038 / 2040
2008 Dinoseb MR 5 SDWIS / MO4036038 / 2041
2008 Hexachlorocyclopentadiene MR 5 SDWIS / MO4036038 / 2042
2008 Aldicarb sulfone MR 5 SDWIS / MO4036038 / 2044
2008 Carbofuran MR 5 SDWIS / MO4036038 / 2046
2008 Aldicarb MR 5 SDWIS / MO4036038 / 2047

How Hillcrest Utility Operating Company Inc Compares

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

Metric Hillcrest Utility Operating Company Inc Missouri avg Federal benchmark
Total violations 320 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 42 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 700 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 Hillcrest Utility Operating Company Inc water safe to drink?
Hillcrest Utility Operating Company Inc (PWS ID: MO4036038) has 320 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 700 people using Groundwater sources.
How many people does Hillcrest Utility Operating Company Inc serve?
Hillcrest Utility Operating Company Inc serves 700 people in Des Peres, Missouri. It is a Private-owned system using Groundwater water sources with 244 service connections.
What type of violations does Hillcrest Utility Operating Company Inc have?
Hillcrest Utility Operating Company Inc has 320 total violations: 42 health-based violations (MCL exceedances or treatment failures), 254 monitoring/reporting violations, and 11 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hillcrest Utility Operating Company Inc water?
No PFAS testing data is available for Hillcrest Utility Operating Company Inc under the EPA's UCMR5 monitoring program.
What water source does Hillcrest Utility Operating Company Inc use?
Hillcrest Utility Operating Company Inc 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.