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THE GROVE

PWS ID: IA5377727 · MONTICELLO, Iowa 52310

THE GROVE serves 31 people in MONTICELLO, Iowa using Groundwater water sources. It has 188 recorded EPA violations, including 73 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: THE GROVE

THE GROVE is a private-owned transient non-community water system that delivers drinking water to 31 residents in MONTICELLO, Iowa (Jones County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 188 total violations for this system , of which 73 (39%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 97 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 Nitrate, recorded in 63 violations (MCL, health-based). 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. THE GROVE's 188 violations sit above the Iowa average. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%). 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
31
Total Violations
188
Health-Based Violations
73
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
3
County
Jones
School/Daycare
No
MCL Violations
65
Monitoring Violations
97
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 63 2021
Nitrate MR 50 2024
Coliform (TCR) MR 29 2015
Revised Total Coliform Rule MON 12 2024
Groundwater Rule TT 8 2021
Public Notice Other 6 2019
Nitrite MR 6 1999
Coliform (TCR) MCL 2 2004

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 THE GROVE.

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 IA5377727 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
2024 Nitrate MR 50 SDWIS / IA5377727 / 1040
2024 Revised Total Coliform Rule MON 12 SDWIS / IA5377727 / 8000
2021 Nitrate MCL 63 SDWIS / IA5377727 / 1040
2021 Groundwater Rule TT 8 SDWIS / IA5377727 / 0700
2019 Public Notice Other 6 SDWIS / IA5377727 / 7500
2015 Coliform (TCR) MR 29 SDWIS / IA5377727 / 3100
2004 Coliform (TCR) MCL 2 SDWIS / IA5377727 / 3100
1999 Nitrite MR 6 SDWIS / IA5377727 / 1041

How THE GROVE Compares

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

Metric THE GROVE Iowa avg Federal benchmark
Total violations 188 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 73 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 31 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is THE GROVE water safe to drink?
THE GROVE (PWS ID: IA5377727) has 188 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 31 people using Groundwater sources.
How many people does THE GROVE serve?
THE GROVE serves 31 people in MONTICELLO, Iowa. It is a Private-owned system using Groundwater water sources with 3 service connections.
What type of violations does THE GROVE have?
THE GROVE has 188 total violations: 73 health-based violations (MCL exceedances or treatment failures), 97 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in THE GROVE water?
No PFAS testing data is available for THE GROVE under the EPA's UCMR5 monitoring program.
What water source does THE GROVE use?
THE GROVE 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial