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Community Water System · PWS KS2009911

Great Plains Development Authority

Parsons, Kansas 67357 - drinking water served from surface water sources to 182 people, tracked in EPA SDWIS and UCMR5.

182
People served
178
EPA violations
134
Health-based
Untested
UCMR5 result

The verdict

EPA records 178 drinking-water violations at Great Plains Development Authority, 75% of them health-based - above the Kansas per-system average.

178
Total EPA violations on record
75%
Health-based (MCL / treatment failure)
182
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Great Plains Development Authority

Great Plains Development Authority is a private-owned community water system that delivers drinking water to 182 residents in Parsons, Kansas (Labette County) through 9 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 178 total violations for this system , of which 134 (75%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 41 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is TTHM, recorded in 49 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 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%).

Great Plains Development Authority's 178 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.

Population Served
182
Total Violations
178
Health-Based Violations
134
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
9
County
Labette
School/Daycare
No
MCL Violations
108
Monitoring Violations
41
Treatment Tech Violations
26

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 49 2012
Total Haloacetic Acids (HAA5) MCL 40 2010
CARBON, TOTAL TT 20 2006
Chlorite MR 18 2024
Coliform (TCR) MR 16 2012
Chlorite MCL 12 2015
Lead and Copper Rule MR 7 2025
Surface Water Treatment Rule TT 6 2008
Atrazine MCL 4 1996
Coliform (TCR) MCL 3 2010
Public Notice Other 2 2010
Consumer Confidence Rule Other 1 1999

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 Great Plains Development Authority.

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 KS2009911 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
2025 Lead and Copper Rule MR 7 SDWIS / KS2009911 / 5000
2024 Chlorite MR 18 SDWIS / KS2009911 / 1009
2015 Chlorite MCL 12 SDWIS / KS2009911 / 1009
2012 TTHM MCL 49 SDWIS / KS2009911 / 2950
2012 Coliform (TCR) MR 16 SDWIS / KS2009911 / 3100
2010 Total Haloacetic Acids (HAA5) MCL 40 SDWIS / KS2009911 / 2456
2010 Coliform (TCR) MCL 3 SDWIS / KS2009911 / 3100
2010 Public Notice Other 2 SDWIS / KS2009911 / 7500
2008 Surface Water Treatment Rule TT 6 SDWIS / KS2009911 / 0200
2006 CARBON, TOTAL TT 20 SDWIS / KS2009911 / 2920
1999 Consumer Confidence Rule Other 1 SDWIS / KS2009911 / 7000
1996 Atrazine MCL 4 SDWIS / KS2009911 / 2050

How Great Plains Development Authority Compares

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

Metric Great Plains Development Authority Kansas avg Federal benchmark
Total violations 178 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 134 34.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 86.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 182 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 Great Plains Development Authority water safe to drink? ▼
Great Plains Development Authority (PWS ID: KS2009911) has 178 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 182 people using Surface Water sources.
How many people does Great Plains Development Authority serve? ▼
Great Plains Development Authority serves 182 people in Parsons, Kansas. It is a Private-owned system using Surface Water water sources with 9 service connections.
What type of violations does Great Plains Development Authority have? ▼
Great Plains Development Authority has 178 total violations: 134 health-based violations (MCL exceedances or treatment failures), 41 monitoring/reporting violations, and 26 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Great Plains Development Authority water? ▼
No PFAS testing data is available for Great Plains Development Authority under the EPA's UCMR5 monitoring program.
What water source does Great Plains Development Authority use? ▼
Great Plains Development Authority 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. 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.