Logan WWTP
US 30, Logan, IA 51546 · Harrison County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.62 MGD
- NPDES permit
- IA0058599
- Effective
- Permit expires
- March 2028
- Population served
- 1,397
- CWNS 2022
Logan WWTP is a publicly owned wastewater treatment works in Logan, Harrison County, Iowa treating an average of 0.08 million gallons per day against a permitted design capacity of 0.62 MGD, serving about 1,397 residents. It discharges under NPDES permit IA0058599 (effective), which expires in March 2028, with 0 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Logan WWTP.
Available with a free Klarifi account
See the full treatment train at Logan WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Industrial users and pretreatment
Industries that discharge process wastewater to Logan WWTP, from the plant's pretreatment programme records.
- Industrial users
- 1
- on record
On record: Harrison County Sanitary Landfill (Logan). Most users are in landfills and waste management.
Unlock the details behind these industrial users
Discharge flow, federal category, source documents and contacts for every industrial user of Logan WWTP. Free with a Klarifi account.
Key contacts
Decision-makers at Logan WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Iowa
Woodbine · 7 mi away
0.13 MGD
Missouri Valley · 9 mi away
0.34 MGD
Modale · 12 mi away
—
Persia · 12 mi away
—
Mondamin · 13 mi away
0.03 MGD
Portsmouth · 13 mi away
—
Pisgah · 15 mi away
—
Neola · 16 mi away
0.09 MGD
Logan WWTP: 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 September 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms