Lone Tree South WWTP
5099 620th Street SE, Lone Tree, IA 52755 · Johnson County · Publicly Owned Treatment Works
- Average flow
- 0.3 MGD
- Design flow
- 1.6 MGD
- NPDES permit
- IA0060330
- Effective
- Permit expires
- May 2028
- Population served
- 1,357
- CWNS 2022
Lone Tree South WWTP is a publicly owned wastewater treatment works in Lone Tree, Johnson County, Iowa treating an average of 0.3 million gallons per day against a permitted design capacity of 1.6 MGD, serving about 1,357 residents. It discharges under NPDES permit IA0060330 (effective), which expires in May 2028, with 4 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Lone Tree South WWTP.
Available with a free Klarifi account
See the full treatment train at Lone Tree South WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Lone Tree South WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Lone Tree South WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Hills · 7 mi away
0.16 MGD
Nichols · 7 mi away
—
Riverside · 7 mi away
0.17 MGD
Conesville · 8 mi away
—
Iowa City · 10 mi away
8.98 MGD
West Liberty · 11 mi away
2.41 MGD
West Branch · 14 mi away
0.49 MGD
Ainsworth · 14 mi away
—
Lone Tree South 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 March 16, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms