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Transient Non-Community Water System · PWS MO5211850

Pizza Hut

Shell Knob, Missouri 65747-0000 - drinking water served from groundwater sources to 150 people, tracked in EPA SDWIS and UCMR5.

150
People served
150
EPA violations
38
Health-based
Untested
UCMR5 result

The verdict

EPA records 150 drinking-water violations at Pizza Hut, 25% of them health-based - above the Missouri per-system average.

150
Total EPA violations on record
25%
Health-based (MCL / treatment failure)
150
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Pizza Hut

Pizza Hut is a private-owned transient non-community water system that delivers drinking water to 150 residents in Shell Knob, Missouri (Barry County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 150 total violations for this system , of which 38 (25%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 100 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 82 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%).

Pizza Hut's 150 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
150
Total Violations
150
Health-Based Violations
38
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
2
County
Barry
School/Daycare
No
MCL Violations
30
Monitoring Violations
100
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 82 2014
Coliform (TCR) MCL 30 2007
Revised Total Coliform Rule MON 8 2017
Public Notice Other 6 2025
Nitrate-Nitrite MR 6 2024
E. COLI MR 4 2017
Revised Total Coliform Rule TT 4 2017
Groundwater Rule TT 4 2022
Groundwater Rule Other 2 2022

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 Pizza Hut.

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 MO5211850 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 Pizza Hut 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
2025 Public Notice Other 6 SDWIS / MO5211850 / 7500
2024 Nitrate-Nitrite MR 6 SDWIS / MO5211850 / 1038
2022 Groundwater Rule TT 4 SDWIS / MO5211850 / 0700
2022 Groundwater Rule Other 2 SDWIS / MO5211850 / 0700
2017 Revised Total Coliform Rule MON 8 SDWIS / MO5211850 / 8000
2017 E. COLI MR 4 SDWIS / MO5211850 / 3014
2017 Revised Total Coliform Rule TT 4 SDWIS / MO5211850 / 8000
2014 Coliform (TCR) MR 82 SDWIS / MO5211850 / 3100
2007 Coliform (TCR) MCL 30 SDWIS / MO5211850 / 3100

How Pizza Hut Compares

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

Metric Pizza Hut Missouri avg Federal benchmark
Total violations 150 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 38 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 150 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 Pizza Hut water safe to drink? ▼
Pizza Hut (PWS ID: MO5211850) has 150 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does Pizza Hut serve? ▼
Pizza Hut serves 150 people in Shell Knob, Missouri. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does Pizza Hut have? ▼
Pizza Hut has 150 total violations: 38 health-based violations (MCL exceedances or treatment failures), 100 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Pizza Hut water? ▼
No PFAS testing data is available for Pizza Hut under the EPA's UCMR5 monitoring program.
What water source does Pizza Hut use? ▼
Pizza Hut uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.