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N. Lawrence & Nicholville STP

PO Box 160, North Lawrence, NY 12967 · Saint Lawrence County · Publicly Owned Treatment Works

Average flow
0.02 MGD
Design flow
0.05 MGD
NPDES permit
NY0110116
Effective
Permit expires
September 2027
Population served
416
CWNS 2022

N. Lawrence & Nicholville STP is a publicly owned wastewater treatment works in North Lawrence, Saint Lawrence County, New York treating an average of 0.02 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 416 residents. It discharges under NPDES permit NY0110116 (effective), which expires in September 2027, with 95 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at N. Lawrence & Nicholville STP.

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Compliance snapshot (last 3 years)

Total violations
95
Effluent violations
17

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

Key contacts

Decision-makers at N. Lawrence & Nicholville STP.

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Nearby wastewater treatment plants in New York

St Regis Falls WWTP

Saint Regis Falls · 10 mi away

0.02 MGD

Massena STP

Massena · 14 mi away

—

High Street WWTP

Fort Covington · 16 mi away

0.04 MGD

Norfolk (t) Sd#1

Norfolk · 16 mi away

0.18 MGD

Norwood (v) WWTP

Norwood · 17 mi away

0.41 MGD

Potsdam (v) WPCP

Potsdam · 18 mi away

1.36 MGD

Malone (v) WWTP

Malone · 19 mi away

1.59 MGD

Colton STP

Colton · 22 mi away

0.04 MGD

N. Lawrence & Nicholville 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 March 9, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms


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