PlainWater
States → Iowa

Transient Non-Community Water System · PWS IA5786890

Aunt Dharma's Sandbar on the Wapsi LLC

Troy Mills, Iowa 52344 - drinking water served from groundwater sources to 27 people, tracked in EPA SDWIS and UCMR5.

27
People served
832
EPA violations
124
Health-based
Untested
UCMR5 result

The verdict

EPA records 832 drinking-water violations at Aunt Dharma's Sandbar on the Wapsi LLC, 15% of them health-based - above the Iowa per-system average.

832
Total EPA violations on record
15%
Health-based (MCL / treatment failure)
27
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Aunt Dharma's Sandbar on the Wapsi LLC

Aunt Dharma's Sandbar on the Wapsi LLC is a private-owned transient non-community water system that delivers drinking water to 27 residents in Troy Mills, Iowa (Linn County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 832 total violations for this system , of which 124 (15%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 399 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 Nitrate, recorded in 195 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 Iowa, EPA tracks 1,795 public water systems serving 3,114,444 people, with 138,271 cumulative violations and 27,946 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 77 violations. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%).

Aunt Dharma's Sandbar on the Wapsi LLC's 832 violations sit above the Iowa 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
27
Total Violations
832
Health-Based Violations
124
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Linn
School/Daycare
No
MCL Violations
124
Monitoring Violations
399
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 195 2025
Public Notice Other 158 2025
Coliform (TCR) MR 107 2015
Revised Total Coliform Rule MON 89 2025
Nitrate MCL 83 2003
Coliform (TCR) MCL 41 2011
E. COLI MR 8 2016

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 Aunt Dharma's Sandbar on the Wapsi LLC.

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 IA5786890 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Iowa Drinking Water Authority

Iowa's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find IA regulator via EPA SDWIS

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 Nitrate MR 195 SDWIS / IA5786890 / 1040
2025 Public Notice Other 158 SDWIS / IA5786890 / 7500
2025 Revised Total Coliform Rule MON 89 SDWIS / IA5786890 / 8000
2016 E. COLI MR 8 SDWIS / IA5786890 / 3014
2015 Coliform (TCR) MR 107 SDWIS / IA5786890 / 3100
2011 Coliform (TCR) MCL 41 SDWIS / IA5786890 / 3100
2003 Nitrate MCL 83 SDWIS / IA5786890 / 1040

How Aunt Dharma's Sandbar on the Wapsi LLC Compares

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

Metric Aunt Dharma's Sandbar on the Wapsi LLC Iowa avg Federal benchmark
Total violations 832 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 124 15.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 83.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 27 1,735 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,795 regulated public water systems in Iowa.

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 Aunt Dharma's Sandbar on the Wapsi LLC water safe to drink? ▼
Aunt Dharma's Sandbar on the Wapsi LLC (PWS ID: IA5786890) has 832 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 27 people using Groundwater sources.
How many people does Aunt Dharma's Sandbar on the Wapsi LLC serve? ▼
Aunt Dharma's Sandbar on the Wapsi LLC serves 27 people in Troy Mills, Iowa. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Aunt Dharma's Sandbar on the Wapsi LLC have? ▼
Aunt Dharma's Sandbar on the Wapsi LLC has 832 total violations: 124 health-based violations (MCL exceedances or treatment failures), 399 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Aunt Dharma's Sandbar on the Wapsi LLC water? ▼
No PFAS testing data is available for Aunt Dharma's Sandbar on the Wapsi LLC under the EPA's UCMR5 monitoring program.
What water source does Aunt Dharma's Sandbar on the Wapsi LLC use? ▼
Aunt Dharma's Sandbar on the Wapsi LLC 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.