PlainWater

Community Water System · PWS KS2000103

Iola, City Of

Iola, Kansas 66749 - drinking water served from surface water sources to 5,343 people, tracked in EPA SDWIS and UCMR5.

5,343
People served
135
EPA violations
71
Health-based
2 PFAS
UCMR5 result

The verdict

EPA records 135 drinking-water violations at Iola, City Of, 53% of them health-based - above the Kansas per-system average, and UCMR5 testing detected 2 PFAS compounds.

135
Total EPA violations on record
53%
Health-based (MCL / treatment failure)
5,343
People served by this system
2
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Iola, City Of

Iola, City Of is a local-owned community water system that delivers drinking water to 5,343 residents in Iola, Kansas (Allen County) through 2,668 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 135 total violations for this system , of which 71 (53%) 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 2020.

The most frequently cited contaminant at this system is Cryptosporidium, recorded in 48 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 2 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 6 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Kansas, EPA tracks 957 public water systems serving 2,894,673 people, with 84,344 cumulative violations and 33,424 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 88.1 violations. Statewide, 89 of 103 UCMR5-tested systems have reported PFAS detections (86.4%).

Iola, City Of's 135 violations sit above the Kansas 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

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

Population Served
5,343
Total Violations
135
Health-Based Violations
71
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,668
County
Allen
School/Daycare
No
MCL Violations
67
Monitoring Violations
55
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Cryptosporidium MR 48 2018
Coliform (TCR) MCL 32 2011
Total Haloacetic Acids (HAA5) MCL 20 2005
TTHM MCL 15 2005
Surface Water Treatment Rule TT 4 2003
Long Term 2 Enhanced Surface Water Treatment Rule MR 4 2020
Interim Enhanced Surface Water Treatment Rule MR 3 2005
Consumer Confidence Rule Other 2 2002

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 9/16/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/16/2024 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/16/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 9/16/2024 3.70 ppt 3.00 ppt Detected
8:2 FTS 9/16/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpA 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/16/2024 <6.00 ppt 6.00 ppt Not Detected
PFDoA 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/16/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/16/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxS 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/16/2024 6.00 ppt 5.00 ppt Detected
PFPeS 9/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/16/2024 <20.00 ppt 20.00 ppt Not Detected
PFOS 9/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/16/2024 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 6/10/2024 <6.00 ppt 6.00 ppt Not Detected
PFBS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFDoA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/10/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/10/2024 <7.00 ppt 7.00 ppt Not Detected
ADONA 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFBA 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/10/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 6/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 6/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 6/10/2024 <3.00 ppt 3.00 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 Iola, City Of.

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 KS2000103 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Kansas Drinking Water Authority

Kansas'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 KS 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
2020 Long Term 2 Enhanced Surface Water Treatment Rule MR 4 SDWIS / KS2000103 / 0800
2018 Cryptosporidium MR 48 SDWIS / KS2000103 / 3015
2011 Coliform (TCR) MCL 32 SDWIS / KS2000103 / 3100
2005 Total Haloacetic Acids (HAA5) MCL 20 SDWIS / KS2000103 / 2456
2005 TTHM MCL 15 SDWIS / KS2000103 / 2950
2005 Interim Enhanced Surface Water Treatment Rule MR 3 SDWIS / KS2000103 / 0300
2003 Surface Water Treatment Rule TT 4 SDWIS / KS2000103 / 0200
2002 Consumer Confidence Rule Other 2 SDWIS / KS2000103 / 7000

How Iola, City Of Compares

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

Metric Iola, City Of Kansas avg Federal benchmark
Total violations 135 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 71 34.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 2 compounds 86.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 5,343 3,025 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 957 regulated public water systems in Kansas.

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 Iola, City Of water safe to drink?
Iola, City Of (PWS ID: KS2000103) has 135 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 2 PFAS compounds found. This system serves 5,343 people using Surface Water sources.
How many people does Iola, City Of serve?
Iola, City Of serves 5,343 people in Iola, Kansas. It is a Local-owned system using Surface Water water sources with 2,668 service connections.
What type of violations does Iola, City Of have?
Iola, City Of has 135 total violations: 71 health-based violations (MCL exceedances or treatment failures), 55 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Iola, City Of water?
Yes. UCMR5 testing detected 2 PFAS compounds in Iola, City Of's water supply: PFHxA, 6:2 FTS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Iola, City Of use?
Iola, City Of 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.
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.