Hartshorne, City Of
1101 Pennsylvania Avenue, Hartshorne, OK 74547 · Pittsburg County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- OK0022861
- Effective
- Permit expires
- February 2029
- Population served
- 3,688
- CWNS 2022
Hartshorne, City Of is a publicly owned wastewater treatment plant in Hartshorne, Pittsburg County, Oklahoma treating an average of 0.04 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 3,688 residents. It discharges under NPDES permit OK0022861 (effective), which expires in February 2029, with 13 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in June 2008.
Treatment technology
3 treatment structures and unit processes identified at Hartshorne, City Of.
Available with a free Klarifi account
See the full treatment train at Hartshorne, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 13
- Effluent violations
- 13
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Hartshorne, City Of in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Compliance actions
- $3,500
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Jun 2008
Hartshorne
Administrative order · SDWA, Nat'l Drinking Water Compliance Schedule - Effective Date · Final Order No Penalty · Compliance actions $3,500
Source: EPA ECHO, civil enforcement case 06-2008-1249.
Full case history with a free Klarifi account
Every action against Hartshorne, City Of with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
1 verified contact for Hartshorne, City Of, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Hartshorne, City Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Oklahoma
Haileyville · 2 mi away
0.14 MGD
Krebs · 10 mi away
0.26 MGD
Mcalester · 13 mi away
1.03 MGD
Mcalester · 14 mi away
1.45 MGD
Wilburton · 15 mi away
0.58 MGD
Pittsburg · 18 mi away
0.0017 MGD
Crowder · 21 mi away
0.05 MGD
Clayton · 22 mi away
0.04 MGD
Hartshorne, City Of: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated November 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms