Klarifi Logo
Try for freeLog in
Klarifi Logo

Sleepy Hollow Sd

Oswego, NY · Oswego County · Publicly Owned Treatment Works

Average flow
0.003 MGD
Design flow
0.02 MGD
NPDES permit
NY0029238
Effective
Permit expires
October 2030
Population served
104
CWNS 2022

Sleepy Hollow Sd is a publicly owned wastewater treatment plant in Oswego, Oswego County, New York treating an average of 0.003 million gallons per day against a permitted design capacity of 0.02 MGD, serving about 104 residents. It discharges under NPDES permit NY0029238 (effective), which expires in October 2030, with 61 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations
61
Effluent violations
53

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Decision-makers at Sleepy Hollow Sd.

No verified contacts on file yet

Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.

Try Klarifi free

Nearby wastewater treatment plants in New York

Oswego (c) West Side WWTF

Oswego · 3 mi away

2.1 MGD

Oswego - C East Side STP

Oswego · 5 mi away

Minetto Sd WPCP

Minetto · 5 mi away

0.07 MGD

Fulton (c) STP

Fulton · 10 mi away

0.49 MGD

Wcw & Sa Regional WWTP

Red Creek · 13 mi away

0.22 MGD

Mexico - V STP

Mexico · 17 mi away

0.12 MGD

Phoenix (v) STP

Phoenix · 19 mi away

0.2 MGD

Parish (v) WWTP

Parish · 23 mi away

0.02 MGD

Sleepy Hollow Sd: 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 September 11, 2026; facility record last updated July 18, 2023.


Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free