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Community Water System · PWS MO3036151

Gladlo Water & Sewer Inc

Des Peres, Missouri 63131-0000 - drinking water served from groundwater sources to 182 people, tracked in EPA SDWIS and UCMR5.

182
People served
130
EPA violations
28
Health-based
Untested
UCMR5 result

The verdict

EPA records 130 drinking-water violations at Gladlo Water & Sewer Inc, 22% of them health-based - above the Missouri per-system average.

130
Total EPA violations on record
22%
Health-based (MCL / treatment failure)
182
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Gladlo Water & Sewer Inc

Gladlo Water & Sewer Inc is a private-owned community water system that delivers drinking water to 182 residents in Des Peres, Missouri (Phelps County) through 67 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 130 total violations for this system , of which 28 (22%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 78 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 56 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%).

Gladlo Water & Sewer Inc's 130 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
182
Total Violations
130
Health-Based Violations
28
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
67
County
Phelps
School/Daycare
No
MCL Violations
28
Monitoring Violations
78
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 56 2014
Coliform (TCR) MCL 28 2013
Consumer Confidence Rule Other 5 2008
Lead and Copper Rule MR 3 2008
Selenium MR 2 1985
Mercury MR 2 1985
Cadmium MR 2 1985
Fluoride MR 2 1985
Nitrate MR 2 1985
Arsenic MR 2 1985
Chromium MR 2 1985
Barium MR 2 1985
Gross Alpha, Excl. Radon and U MR 2 1980
Public Notice Other 1 2009
Nitrate-Nitrite MR 1 2008

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 Gladlo Water & Sewer 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 MO3036151 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 Gladlo Water & Sewer 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
2014 Coliform (TCR) MR 56 SDWIS / MO3036151 / 3100
2013 Coliform (TCR) MCL 28 SDWIS / MO3036151 / 3100
2009 Public Notice Other 1 SDWIS / MO3036151 / 7500
2008 Consumer Confidence Rule Other 5 SDWIS / MO3036151 / 7000
2008 Lead and Copper Rule MR 3 SDWIS / MO3036151 / 5000
2008 Nitrate-Nitrite MR 1 SDWIS / MO3036151 / 1038
1985 Selenium MR 2 SDWIS / MO3036151 / 1045
1985 Mercury MR 2 SDWIS / MO3036151 / 1035
1985 Cadmium MR 2 SDWIS / MO3036151 / 1015
1985 Fluoride MR 2 SDWIS / MO3036151 / 1025
1985 Nitrate MR 2 SDWIS / MO3036151 / 1040
1985 Arsenic MR 2 SDWIS / MO3036151 / 1005
1985 Chromium MR 2 SDWIS / MO3036151 / 1020
1985 Barium MR 2 SDWIS / MO3036151 / 1010
1980 Gross Alpha, Excl. Radon and U MR 2 SDWIS / MO3036151 / 4000

How Gladlo Water & Sewer Inc Compares

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

Metric Gladlo Water & Sewer Inc Missouri avg Federal benchmark
Total violations 130 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 28 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 182 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 Gladlo Water & Sewer Inc water safe to drink? ▼
Gladlo Water & Sewer Inc (PWS ID: MO3036151) has 130 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 182 people using Groundwater sources.
How many people does Gladlo Water & Sewer Inc serve? ▼
Gladlo Water & Sewer Inc serves 182 people in Des Peres, Missouri. It is a Private-owned system using Groundwater water sources with 67 service connections.
What type of violations does Gladlo Water & Sewer Inc have? ▼
Gladlo Water & Sewer Inc has 130 total violations: 28 health-based violations (MCL exceedances or treatment failures), 78 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Gladlo Water & Sewer Inc water? ▼
No PFAS testing data is available for Gladlo Water & Sewer Inc under the EPA's UCMR5 monitoring program.
What water source does Gladlo Water & Sewer Inc use? ▼
Gladlo Water & Sewer 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.

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.