NYIT STP

Address

NORTHERN BLVD
OLD WESTBURY, NY 11568
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County

NASSAU County

Inspections

3 · last Sep 16, 2025

Total Penalties

$0 · last Oct 24, 2013

Registry ID

110064244802

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

3

Water (CWA)
Qtrs Non-Compliant

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant	Violation	Reported	Limit	Exceedance	Period	Status
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	10.50 mg/L	10.00	+5%	Jun 2025	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	22.00 mg/L	10.00	+120%	May 2025	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	11.00 mg/L	10.00	+10%	Jan 2019	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	11.00 mg/L	10.00	+10%	Feb 2017	Open
Nitrogen, total [as N]	DMR, Limited - Numeric Violation	30.10 mg/L	10.00	+201%	Feb 2015	Open

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

State Administrative Order of Consent

Clean Water Act · Case NY-R120120521160 · Oct 24, 2013

$215,000

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