City Of Spring Hill STP
3893 Mahlon Moore Road, Spring Hill, TN 37174 · Maury County · Publicly Owned Treatment Works
- Average flow
- 3.83 MGD
- Design flow
- 5 MGD
- NPDES permit
- TN0075868
- Effective
- Permit expires
- December 2028
- Population served
- 41,797
- CWNS 2022
City Of Spring Hill STP is a publicly owned wastewater treatment works in Spring Hill, Maury County, Tennessee treating an average of 3.83 million gallons per day against a permitted design capacity of 5 MGD, serving about 41,797 residents. It discharges under NPDES permit TN0075868 (effective), which expires in December 2028, with 41 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at City Of Spring Hill STP.
Available with a free Klarifi account
See the full treatment train at City Of Spring Hill STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 41
- Effluent violations
- 41
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at City Of Spring Hill STP.
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Nearby wastewater treatment plants in Tennessee
Thompson'S Station · 7 mi away
0.0069 MGD
Columbia · 11 mi away
5.33 MGD
Franklin · 13 mi away
0.0032 MGD
Chapel Hill · 15 mi away
0.09 MGD
Franklin · 15 mi away
0.0051 MGD
Franklin · 16 mi away
9.77 MGD
Lewisburg · 20 mi away
2.07 MGD
Fairview · 24 mi away
0.49 MGD
City Of Spring Hill STP: 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 May 25, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms