Clean Water Act discharge permit · NPDES NJ0022110

EDUCATIONAL TESTING SERVICE, Princeton, NJ: NPDES NJ0022110 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
16Pollutants under a numeric limit
3Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

EDUCATIONAL TESTING SERVICE holds NPDES permit NJ0022110. EPA’s file records it issued June 20, 2013 and expiring September 30, 2018.

EDUCATIONAL TESTING SERVICE, Princeton, New Jersey: Individual permit NJ0022110; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued June 20, 2013, term to September 30, 2018.

BOD, 5-day, 20 deg. C: 14 limits, 106 violations of any kind, 7 effluent exceedances, latest January 31, 2022, largest 80% over the limit.
Solids, total suspended: 14 limits, 56 violations of any kind, 4 effluent exceedances, latest November 30, 2025, largest 31% over the limit.
Copper, total recoverable: 4 limits, 9 violations of any kind, 1 effluent exceedance, latest November 30, 2024, largest 15% over the limit.
Nitrogen, nitrate total [as N]: 12 limits, 4 violations of any kind, 0 effluent exceedances.
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 3 violations of any kind, 0 effluent exceedances.
Coliform, fecal general: 4 limits, 2 violations of any kind, 0 effluent exceedances.
LC50 Static Renewal 96Hr Acute Pimephales promelas: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 8 limits, 0 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 8 limits, 0 violations of any kind, 0 effluent exceedances.
Temperature, water deg. centigrade: 6 limits, 0 violations of any kind, 0 effluent exceedances.
pH: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Oil & Grease: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Zinc, total recoverable: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 4 limits, 0 violations of any kind, 0 effluent exceedances.
E. coli: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 2 limits, 0 violations of any kind, 0 effluent exceedances.

June 25, 2026: Evaluation (S).

New Jersey holds 110 Publicly owned treatment works coverages of this permit type in EPA’s file; 1 were issued before NJ0022110. EDUCATIONAL TESTING SERVICE holds 5 permits in New Jersey.

Other permits held by EDUCATIONAL TESTING SERVICE

ETS-ELECTRICAL SUBSTATION PROJECT, Lawrence Twp: NJG205796, issued March 1, 2017
EDUCATIONAL TESTING SERVICE, Princeton: NJG206920, issued March 1, 2017
ETS BUILDING 3 POOL RELOCATION, Lawrence Twp: NJG229342, issued March 1, 2017
ETS WOOD HALL PARKING IMPROVEMENTS, Lawrence Twp: NJG305944, issued March 10, 2020

Coverages issued nearest NJ0022110

May 1, 2010: RARITAN TWP MUA-FLEMINGTON WW FACILITY, Raritan Twp, NJ0028436, held by RARITAN TWP STP
October 24, 2013: SUEZ WATER NJ HIGHVIEW ACRES WWTP, West Milford Twp, NJ0027685, held by WEST MILFORD TWP MUA
December 3, 2013: ELMWOOD WTP, Evesham Twp, NJ0024031
December 19, 2013: RINGWOOD ACRES TREATMENT PLANT, Ringwood Boro, NJ0027006, held by RINGWOOD BORO
January 9, 2014: PINELANDS WASTEWATER CO, Southampton Twp, NJ0023736
January 14, 2014: SUEZ WATER NJ OLDE MILFORD ESTATES WWTP, West Milford Twp, NJ0027677, held by WEST MILFORD TWP MUA

EDUCATIONAL TESTING SERVICE among its neighbors

EPA’s permit file holds 49 discharge permits in the Lower Stony Brook subwatershed (HUC 020301050302), NJ0022110 among them. Its county holds 619, 4 of them major permits; NJ0022110 is a minor permit.

Other permits in the Lower Stony Brook subwatershed (HUC 020301050302)

1 JEFFERSON PLACE, Hopewell Twp: NJG242926, minor permit, permit term to February 28, 2022
1 SILVERS COURT - STONY BROOK ESTATES, Hopewell Twp: NJG313572, minor permit, permit term to February 28, 2022
2025-6822-HT, Hopewell Twp: NJG375527, minor permit, permit term to February 28, 2027
225 MOUNTAIN AVENUE IMPROVEMENTS, Princeton: NJG384411, minor permit, permit term to February 28, 2027
280 CARTER ROAD, Hopewell Twp: NJG278319, minor permit, permit term to February 28, 2022
287 CARTER RD (1005.0120), Hopewell Twp: NJG362620, minor permit, permit term to February 28, 2027
350 CARTER ROAD, LLC, Hopewell Boro: NJG243582, minor permit, permit term to January 31, 2023
BAYARD LANE SUBDIVISION, Princeton: NJG369551, minor permit, permit term to February 28, 2027
BEIGENE - PRINCETON WEST CAMPUS, Hopewell Twp: NJG330159, minor permit, permit term to February 28, 2022
BEIGENE HOPEWELL URBAN RENEWAL LLC, Hopewell Twp: NJG354961, minor permit, permit term to January 31, 2028

Identity

Facility as filed	EDUCATIONAL TESTING SERVICE
Permittee as filed	EDUCATIONAL TESTING SERVICE
NPDES ID	NJ0022110
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 20, 2013
Expiration date	September 30, 2018
Address	Princeton, NJ 08541
Receiving water impaired	303(D) Listed
Subwatershed	Lower Stony Brook (HUC 020301050302)
Other EPA IDs (FRS)	RCRA handler NJD002508463

Effluent limits and exceedances

16Pollutants on file
16Under a numeric limit
7With a violation of any kind
3With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
BOD, 5-day, 20 deg. C	14	106	7	January 31, 2022	80% over the limit
Solids, total suspended	14	56	4	November 30, 2025	31% over the limit
Copper, total recoverable	4	9	1	November 30, 2024	15% over the limit
Nitrogen, nitrate total [as N]	12	4	0
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	2	3	0
Coliform, fecal general	4	2	0
LC50 Static Renewal 96Hr Acute Pimephales promelas	2	2	0
Nitrogen, ammonia total [as N]	8	0	0
Phosphorus, total [as P]	8	0	0
Temperature, water deg. centigrade	6	0	0
pH	4	0	0
Oil & Grease	4	0	0
Zinc, total recoverable	4	0	0
Flow, in conduit or thru treatment plant	4	0	0
E. coli	4	0	0
Oxygen, dissolved [DO]	2	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES NJ0022110.

Inspections

Date	What EPA recorded	Agency
June 25, 2026	Evaluation	S

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES NJ0022110.

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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clean Water Act NPDES permit NJ0022110 held by EDUCATIONAL TESTING SERVICE in Princeton, NJ, which is listed as administratively continued with a minor discharger class. The facts show 16 pollutants and 3 pollutants under a numeric limit, with 3 pollutants recording an effluent exceedance, as of the September 15, 2026 load date.