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Community Water System · PWS IA7915017

Deep River Water Supply

Deep River, Iowa 52222 - drinking water served from groundwater sources to 249 people, tracked in EPA SDWIS and UCMR5.

249
People served
85
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 85 drinking-water violations at Deep River Water Supply, 12% of them health-based - above the Iowa per-system average.

85
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
249
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Deep River Water Supply

Deep River Water Supply is a local-owned community water system that delivers drinking water to 249 residents in Deep River, Iowa (Poweshiek County) through 128 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 85 total violations for this system , of which 10 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 55 monitoring and reporting violations are on file. The most recent violation on record dates to 2007.

The most frequently cited contaminant at this system is Nitrate, recorded in 12 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%).

Deep River Water Supply's 85 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
249
Total Violations
85
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
128
County
Poweshiek
School/Daycare
No
MCL Violations
10
Monitoring Violations
55
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 12 1997
Nitrite MCL 10 2000
Total Haloacetic Acids (HAA5) MR 9 2007
Coliform (TCR) MR 7 2007
Nitrite MR 7 2000
Gross Alpha, Excl. Radon and U MR 4 1991
Atrazine MR 4 1995
Lead and Copper Rule MR 4 2004
Antimony, Total MR 4 1992
Xylenes, Total MR 4 1994

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 Deep River Water Supply.

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 IA7915017 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
2007 Total Haloacetic Acids (HAA5) MR 9 SDWIS / IA7915017 / 2456
2007 Coliform (TCR) MR 7 SDWIS / IA7915017 / 3100
2004 Lead and Copper Rule MR 4 SDWIS / IA7915017 / 5000
2000 Nitrite MCL 10 SDWIS / IA7915017 / 1041
2000 Nitrite MR 7 SDWIS / IA7915017 / 1041
1997 Nitrate MR 12 SDWIS / IA7915017 / 1040
1995 Atrazine MR 4 SDWIS / IA7915017 / 2050
1994 Xylenes, Total MR 4 SDWIS / IA7915017 / 2955
1992 Antimony, Total MR 4 SDWIS / IA7915017 / 1074
1991 Gross Alpha, Excl. Radon and U MR 4 SDWIS / IA7915017 / 4000

How Deep River Water Supply Compares

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

Metric Deep River Water Supply Iowa avg Federal benchmark
Total violations 85 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 83.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 249 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 Deep River Water Supply water safe to drink? ▼
Deep River Water Supply (PWS ID: IA7915017) has 85 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 249 people using Groundwater sources.
How many people does Deep River Water Supply serve? ▼
Deep River Water Supply serves 249 people in Deep River, Iowa. It is a Local-owned system using Groundwater water sources with 128 service connections.
What type of violations does Deep River Water Supply have? ▼
Deep River Water Supply has 85 total violations: 10 health-based violations (MCL exceedances or treatment failures), 55 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Deep River Water Supply water? ▼
No PFAS testing data is available for Deep River Water Supply under the EPA's UCMR5 monitoring program.
What water source does Deep River Water Supply use? ▼
Deep River Water Supply uses Groundwater 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.