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Community Water System · PWS IA3060001

Iowa Lakes Regional Water - Osgood

Spencer, Iowa 51301-0555 - drinking water served from surface water sources to 8,500 people, tracked in EPA SDWIS and UCMR5.

8,500
People served
17
EPA violations
13
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 17 drinking-water violations at Iowa Lakes Regional Water - Osgood, 76% of them health-based - below the Iowa per-system average, and UCMR5 testing detected 1 PFAS compound.

17
Total EPA violations on record
76%
Health-based (MCL / treatment failure)
8,500
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Iowa Lakes Regional Water - Osgood

Iowa Lakes Regional Water - Osgood is a private-owned community water system that delivers drinking water to 8,500 residents in Spencer, Iowa (Palo Alto County) through 3,400 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 17 total violations for this system , of which 13 (76%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 4 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 9 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 5 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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%).

Iowa Lakes Regional Water - Osgood's 17 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
8,500
Total Violations
17
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
3,400
County
Palo Alto
School/Daycare
No
MCL Violations
13
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 9 2014
Coliform (TCR) MR 4 1995
TTHM MCL 4 2004

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
PFBA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/15/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 8/15/2023 <2.00 ppt 2.00 ppt Not Detected
HFPO-DA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFOS 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 8/15/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/15/2023 <7.00 ppt 7.00 ppt Not Detected
4:2 FTS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/15/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/15/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 8/15/2023 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 8/15/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 8/15/2023 <8.00 ppt 8.00 ppt Not Detected
ADONA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 8/15/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 8/15/2023 <8.00 ppt 8.00 ppt Not Detected
PFHpS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/15/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/15/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/15/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 8/15/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/15/2023 <2.00 ppt 2.00 ppt Not Detected

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 Iowa Lakes Regional Water - Osgood.

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 IA3060001 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
2014 Coliform (TCR) MCL 9 SDWIS / IA3060001 / 3100
2004 TTHM MCL 4 SDWIS / IA3060001 / 2950
1995 Coliform (TCR) MR 4 SDWIS / IA3060001 / 3100

How Iowa Lakes Regional Water - Osgood Compares

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

Metric Iowa Lakes Regional Water - Osgood Iowa avg Federal benchmark
Total violations 17 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 15.6 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 83.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 8,500 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 Iowa Lakes Regional Water - Osgood water safe to drink? ▼
Iowa Lakes Regional Water - Osgood (PWS ID: IA3060001) has 17 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 8,500 people using Surface Water sources.
How many people does Iowa Lakes Regional Water - Osgood serve? ▼
Iowa Lakes Regional Water - Osgood serves 8,500 people in Spencer, Iowa. It is a Private-owned system using Surface Water water sources with 3,400 service connections.
What type of violations does Iowa Lakes Regional Water - Osgood have? ▼
Iowa Lakes Regional Water - Osgood has 17 total violations: 13 health-based violations (MCL exceedances or treatment failures), 4 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Iowa Lakes Regional Water - Osgood water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in Iowa Lakes Regional Water - Osgood's water supply: PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Iowa Lakes Regional Water - Osgood use? ▼
Iowa Lakes Regional Water - Osgood 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.