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Community Water System · PWS IA0800601

Maple Grove Mhc

Madrid, Iowa 50156 - drinking water served from surface water sources to 160 people, tracked in EPA SDWIS and UCMR5.

160
People served
164
EPA violations
25
Health-based
Untested
UCMR5 result

The verdict

EPA records 164 drinking-water violations at Maple Grove Mhc, 15% of them health-based - above the Iowa per-system average.

164
Total EPA violations on record
15%
Health-based (MCL / treatment failure)
160
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Maple Grove Mhc

Maple Grove Mhc is a private-owned community water system that delivers drinking water to 160 residents in Madrid, Iowa (Story County) through 64 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 164 total violations for this system , of which 25 (15%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 77 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Gross Alpha, Excl. Radon and U, recorded in 15 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%).

Maple Grove Mhc's 164 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
160
Total Violations
164
Health-Based Violations
25
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
64
County
Story
School/Daycare
No
MCL Violations
11
Monitoring Violations
77
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Gross Alpha, Excl. Radon and U MR 15 1999
Revised Total Coliform Rule MON 12 2016
Surface Water Treatment Rule TT 12 2016
Coliform (TCR) MCL 11 1999
Public Notice Other 10 2017
Nitrate MR 10 1997
Barium MR 8 1999
Consumer Confidence Rule Other 5 2016
1,2,4-Trichlorobenzene MR 4 1996
TTHM MR 4 2016
LASSO MR 4 1996
Total Haloacetic Acids (HAA5) MR 4 2016
Nitrite MR 4 1996
Antimony, Total MR 4 1993
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 2017
Mercury MR 1 1980
Coliform (TCR) MR 1 1998
Fluoride MR 1 1980
Arsenic MR 1 1980
Cadmium MR 1 1980
Combined Radium (-226 and -228) MR 1 1980
Chromium MR 1 1980
Selenium MR 1 1980

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 Maple Grove Mhc.

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 IA0800601 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
2017 Public Notice Other 10 SDWIS / IA0800601 / 7500
2017 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 SDWIS / IA0800601 / 0400
2016 Revised Total Coliform Rule MON 12 SDWIS / IA0800601 / 8000
2016 Surface Water Treatment Rule TT 12 SDWIS / IA0800601 / 0200
2016 Consumer Confidence Rule Other 5 SDWIS / IA0800601 / 7000
2016 TTHM MR 4 SDWIS / IA0800601 / 2950
2016 Total Haloacetic Acids (HAA5) MR 4 SDWIS / IA0800601 / 2456
1999 Gross Alpha, Excl. Radon and U MR 15 SDWIS / IA0800601 / 4000
1999 Coliform (TCR) MCL 11 SDWIS / IA0800601 / 3100
1999 Barium MR 8 SDWIS / IA0800601 / 1010
1998 Coliform (TCR) MR 1 SDWIS / IA0800601 / 3100
1997 Nitrate MR 10 SDWIS / IA0800601 / 1040
1996 1,2,4-Trichlorobenzene MR 4 SDWIS / IA0800601 / 2378
1996 LASSO MR 4 SDWIS / IA0800601 / 2051
1996 Nitrite MR 4 SDWIS / IA0800601 / 1041

How Maple Grove Mhc Compares

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

Metric Maple Grove Mhc Iowa avg Federal benchmark
Total violations 164 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 25 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 160 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 Maple Grove Mhc water safe to drink? ▼
Maple Grove Mhc (PWS ID: IA0800601) has 164 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 160 people using Surface Water sources.
How many people does Maple Grove Mhc serve? ▼
Maple Grove Mhc serves 160 people in Madrid, Iowa. It is a Private-owned system using Surface Water water sources with 64 service connections.
What type of violations does Maple Grove Mhc have? ▼
Maple Grove Mhc has 164 total violations: 25 health-based violations (MCL exceedances or treatment failures), 77 monitoring/reporting violations, and 14 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Maple Grove Mhc water? ▼
No PFAS testing data is available for Maple Grove Mhc under the EPA's UCMR5 monitoring program.
What water source does Maple Grove Mhc use? ▼
Maple Grove Mhc uses Surface Water 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.