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SANBORN WATER SUPPLY

PWS ID: IA7165025 · SANBORN, Iowa 51248

SANBORN WATER SUPPLY serves 1,392 people in SANBORN, Iowa using Groundwater water sources. It has 137 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SANBORN WATER SUPPLY

SANBORN WATER SUPPLY is a local-owned community water system that delivers drinking water to 1,392 residents in SANBORN, Iowa (O'Brien County) through 699 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 137 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 128 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Di(2-ethylhexyl) adipate, recorded in 4 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. SANBORN WATER SUPPLY's 137 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
1,392
Total Violations
137
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
699
County
O'Brien
School/Daycare
No
MCL Violations
0
Monitoring Violations
128
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Di(2-ethylhexyl) adipate MR 4 2013
Di(2-ethylhexyl) phthalate MR 4 2013
Pentachlorophenol MR 4 2013
Picloram MR 4 2013
Simazine MR 4 2013
Diquat MR 4 2013
Glyphosate MR 4 2013
o-Dichlorobenzene MR 4 2013
p-Dichlorobenzene MR 4 2013
cis-1,2-Dichloroethylene MR 4 2013
DICHLOROMETHANE MR 4 2013
Ethylbenzene MR 4 2013
CHLOROBENZENE MR 4 2013
Styrene MR 4 2013
Toluene MR 4 2013
1,1,2-Trichloroethane MR 4 2013
Vinyl chloride MR 4 2013
Carbon tetrachloride MR 4 2013
1,2,4-Trichlorobenzene MR 4 2013
1,2-Dichloropropane MR 4 2013
LASSO MR 4 2013
1,2-Dichloroethane MR 4 2013
Nitrate MR 4 1996
Atrazine MR 4 2013
Trichloroethylene MR 4 2013
Benzene MR 4 2013
trans-1,2-Dichloroethylene MR 4 2013
2,4-D MR 4 2013
Tetrachloroethylene MR 4 2013
1,1-Dichloroethylene MR 4 2013

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 SANBORN 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 IA7165025 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
2013 Di(2-ethylhexyl) adipate MR 4 SDWIS / IA7165025 / 2035
2013 Di(2-ethylhexyl) phthalate MR 4 SDWIS / IA7165025 / 2039
2013 Pentachlorophenol MR 4 SDWIS / IA7165025 / 2326
2013 Picloram MR 4 SDWIS / IA7165025 / 2040
2013 Simazine MR 4 SDWIS / IA7165025 / 2037
2013 Diquat MR 4 SDWIS / IA7165025 / 2032
2013 Glyphosate MR 4 SDWIS / IA7165025 / 2034
2013 o-Dichlorobenzene MR 4 SDWIS / IA7165025 / 2968
2013 p-Dichlorobenzene MR 4 SDWIS / IA7165025 / 2969
2013 cis-1,2-Dichloroethylene MR 4 SDWIS / IA7165025 / 2380
2013 DICHLOROMETHANE MR 4 SDWIS / IA7165025 / 2964
2013 Ethylbenzene MR 4 SDWIS / IA7165025 / 2992
2013 CHLOROBENZENE MR 4 SDWIS / IA7165025 / 2989
2013 Styrene MR 4 SDWIS / IA7165025 / 2996
2013 Toluene MR 4 SDWIS / IA7165025 / 2991

How SANBORN WATER SUPPLY Compares

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

Metric SANBORN WATER SUPPLY Iowa avg Federal benchmark
Total violations 137 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 1,392 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 SANBORN WATER SUPPLY water safe to drink? ▼
SANBORN WATER SUPPLY (PWS ID: IA7165025) has 137 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,392 people using Groundwater sources.
How many people does SANBORN WATER SUPPLY serve? ▼
SANBORN WATER SUPPLY serves 1,392 people in SANBORN, Iowa. It is a Local-owned system using Groundwater water sources with 699 service connections.
What type of violations does SANBORN WATER SUPPLY have? ▼
SANBORN WATER SUPPLY has 137 total violations: 0 health-based violations (MCL exceedances or treatment failures), 128 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SANBORN WATER SUPPLY water? ▼
No PFAS testing data is available for SANBORN WATER SUPPLY under the EPA's UCMR5 monitoring program.
What water source does SANBORN WATER SUPPLY use? ▼
SANBORN 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.

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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.

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