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Transient Non-Community Water System · PWS IA3544401

Maynes Grove - Franklin Co Conservation

Hampton, Iowa 50441 - drinking water served from groundwater sources to 100 people, tracked in EPA SDWIS and UCMR5.

100
People served
68
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 68 drinking-water violations at Maynes Grove - Franklin Co Conservation, 15% of them health-based - below the Iowa per-system average.

68
Total EPA violations on record
15%
Health-based (MCL / treatment failure)
100
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Maynes Grove - Franklin Co Conservation

Maynes Grove - Franklin Co Conservation is a local-owned transient non-community water system that delivers drinking water to 100 residents in Hampton, Iowa (Franklin County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 68 total violations for this system , of which 10 (15%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 46 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Nitrate, recorded in 19 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, 32 of 152 UCMR5-tested systems have reported PFAS detections (21.1%).

Maynes Grove - Franklin Co Conservation's 68 violations sit below 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
100
Total Violations
68
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
1
County
Franklin
School/Daycare
No
MCL Violations
5
Monitoring Violations
46
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 19 2014
Revised Total Coliform Rule MON 16 2021
Public Notice Other 9 2015
Coliform (TCR) MCL 5 2012
Revised Total Coliform Rule TT 5 2018
E. COLI MR 4 2020
Coliform (TCR) MR 4 2010
Nitrite MR 3 2009

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 Maynes Grove - Franklin Co Conservation.

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 IA3544401 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
2021 Revised Total Coliform Rule MON 16 SDWIS / IA3544401 / 8000
2020 E. COLI MR 4 SDWIS / IA3544401 / 3014
2018 Revised Total Coliform Rule TT 5 SDWIS / IA3544401 / 8000
2015 Public Notice Other 9 SDWIS / IA3544401 / 7500
2014 Nitrate MR 19 SDWIS / IA3544401 / 1040
2012 Coliform (TCR) MCL 5 SDWIS / IA3544401 / 3100
2010 Coliform (TCR) MR 4 SDWIS / IA3544401 / 3100
2009 Nitrite MR 3 SDWIS / IA3544401 / 1041

How Maynes Grove - Franklin Co Conservation Compares

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

Metric Maynes Grove - Franklin Co Conservation Iowa avg Federal benchmark
Total violations 68 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 15.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 21.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 100 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 Maynes Grove - Franklin Co Conservation water safe to drink? ▼
Maynes Grove - Franklin Co Conservation (PWS ID: IA3544401) has 68 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does Maynes Grove - Franklin Co Conservation serve? ▼
Maynes Grove - Franklin Co Conservation serves 100 people in Hampton, Iowa. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Maynes Grove - Franklin Co Conservation have? ▼
Maynes Grove - Franklin Co Conservation has 68 total violations: 10 health-based violations (MCL exceedances or treatment failures), 46 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Maynes Grove - Franklin Co Conservation water? ▼
No PFAS testing data is available for Maynes Grove - Franklin Co Conservation under the EPA's UCMR5 monitoring program.
What water source does Maynes Grove - Franklin Co Conservation use? ▼
Maynes Grove - Franklin Co Conservation 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.