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Non-Transient Non-Community Water System · PWS MO5201957

Silver Dollar City Marvel Cave

Branson, Missouri 65616-0000 - drinking water served from groundwater sources to 8,501 people, tracked in EPA SDWIS and UCMR5.

8,501
People served
196
EPA violations
5
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 196 drinking-water violations at Silver Dollar City Marvel Cave, 3% of them health-based - above the Missouri per-system average.

196
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
8,501
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Silver Dollar City Marvel Cave

Silver Dollar City Marvel Cave is a private-owned non-transient non-community water system that delivers drinking water to 8,501 residents in Branson, Missouri (Stone County) through 84 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 196 total violations for this system , of which 5 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 184 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 11 violations (MON). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Silver Dollar City Marvel Cave's 196 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
8,501
Total Violations
196
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
84
County
Stone
School/Daycare
No
MCL Violations
0
Monitoring Violations
184
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 11 2022
Coliform (TCR) MR 7 2011
Nitrate-Nitrite MR 6 2022
cis-1,2-Dichloroethylene MR 5 2020
Xylenes, Total MR 5 2020
p-Dichlorobenzene MR 5 2020
Vinyl chloride MR 5 2020
1,1-Dichloroethylene MR 5 2020
trans-1,2-Dichloroethylene MR 5 2020
1,1,1-Trichloroethane MR 5 2020
Carbon tetrachloride MR 5 2020
1,1,2-Trichloroethane MR 5 2020
Tetrachloroethylene MR 5 2020
CHLOROBENZENE MR 5 2020
Benzene MR 5 2020
Toluene MR 5 2020
Ethylbenzene MR 5 2020
Barium MR 5 2020
Cadmium MR 5 2020
Mercury MR 5 2020
Antimony, Total MR 5 2020
Trichloroethylene MR 5 2020
o-Dichlorobenzene MR 5 2020
Styrene MR 5 2020
DICHLOROMETHANE MR 5 2020
1,2-Dichloroethane MR 5 2020
Selenium MR 5 2020
Arsenic MR 5 2020
Thallium, Total MR 5 2020
Beryllium, Total MR 5 2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 9/20/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 9/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 9/20/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/20/2023 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 3/20/2023 <6.00 ppt 6.00 ppt Not Detected
PFDA 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 3/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 3/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 3/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 3/20/2023 <8.00 ppt 8.00 ppt Not Detected
8:2 FTS 3/20/2023 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 3/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 3/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 3/20/2023 <7.00 ppt 7.00 ppt Not Detected
4:2 FTS 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 3/20/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 3/20/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 3/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 3/20/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 3/20/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 3/20/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 3/20/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 3/20/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 3/20/2023 <2.00 ppt 2.00 ppt Not Detected
PFPeS 11/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFBA 11/29/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 11/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 11/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 11/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 11/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 11/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 11/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 11/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 11/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 11/29/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 11/29/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 11/29/2023 <2.00 ppt 2.00 ppt Not Detected
PFPeA 11/29/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 11/29/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 11/29/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 11/29/2023 <3.00 ppt 3.00 ppt Not Detected

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 Silver Dollar City Marvel Cave.

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 MO5201957 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 Silver Dollar City Marvel Cave 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
2024 E. COLI MR 5 SDWIS / MO5201957 / 3014
2024 Public Notice Other 4 SDWIS / MO5201957 / 7500
2023 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 5 SDWIS / MO5201957 / 0400
2022 Revised Total Coliform Rule MON 11 SDWIS / MO5201957 / 8000
2022 Nitrate-Nitrite MR 6 SDWIS / MO5201957 / 1038
2020 cis-1,2-Dichloroethylene MR 5 SDWIS / MO5201957 / 2380
2020 Xylenes, Total MR 5 SDWIS / MO5201957 / 2955
2020 p-Dichlorobenzene MR 5 SDWIS / MO5201957 / 2969
2020 Vinyl chloride MR 5 SDWIS / MO5201957 / 2976
2020 1,1-Dichloroethylene MR 5 SDWIS / MO5201957 / 2977
2020 trans-1,2-Dichloroethylene MR 5 SDWIS / MO5201957 / 2979
2020 1,1,1-Trichloroethane MR 5 SDWIS / MO5201957 / 2981
2020 Carbon tetrachloride MR 5 SDWIS / MO5201957 / 2982
2020 1,1,2-Trichloroethane MR 5 SDWIS / MO5201957 / 2985
2020 Tetrachloroethylene MR 5 SDWIS / MO5201957 / 2987

How Silver Dollar City Marvel Cave Compares

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

Metric Silver Dollar City Marvel Cave Missouri avg Federal benchmark
Total violations 196 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 8,501 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 Silver Dollar City Marvel Cave water safe to drink? ▼
Silver Dollar City Marvel Cave (PWS ID: MO5201957) has 196 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 8,501 people using Groundwater sources.
How many people does Silver Dollar City Marvel Cave serve? ▼
Silver Dollar City Marvel Cave serves 8,501 people in Branson, Missouri. It is a Private-owned system using Groundwater water sources with 84 service connections.
What type of violations does Silver Dollar City Marvel Cave have? ▼
Silver Dollar City Marvel Cave has 196 total violations: 5 health-based violations (MCL exceedances or treatment failures), 184 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Silver Dollar City Marvel Cave water? ▼
No. Silver Dollar City Marvel Cave was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Silver Dollar City Marvel Cave use? ▼
Silver Dollar City Marvel Cave uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.