Clean Water Act discharge permit · NPDES NJ0024970
PARSIPPANY TROY HILLS, Parsippany-Troy Hills, NJ: NPDES NJ0024970 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
PARSIPPANY TROY HILLS, held by PARSIPPANY TROY HILLS TWP, holds NPDES permit NJ0024970. EPA’s file records it issued January 1, 2018 and expiring December 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PARSIPPANY TROY HILLS |
|---|---|
| Permittee as filed | PARSIPPANY TROY HILLS TWP |
| NPDES ID | NJ0024970 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 1, 2018 |
| Expiration date | December 31, 2022 |
| Address | Parsippany-Troy Hills, NJ 07054 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Rockaway River (HUC 020301030404) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 17Pollutants on file
- 16Under a numeric limit
- 17With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| E. coli | 18 | 26 | 20 | November 30, 2025 | 525% over the limit |
| Nitrogen, ammonia total [as N] | 72 | 36 | 16 | July 31, 2025 | 379% over the limit |
| Chlorine produced oxidants | 28 | 20 | 8 | April 30, 2018 | 1,195% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 81 | 38 | 7 | February 28, 2021 | 275% over the limit |
| Phosphorus, total [as P] | 44 | 18 | 6 | November 30, 2025 | 33% over the limit |
| Dichlorobromomethane | 36 | 16 | 3 | August 31, 2018 | 35% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 9 | 6 | 3 | June 30, 2022 | 87% over the limit |
| Solids, total suspended | 81 | 29 | 2 | February 28, 2021 | 48% over the limit |
| pH | 36 | 15 | 1 | May 31, 2017 | |
| Oil & Grease | 18 | 7 | 1 | June 30, 2025 | 101% over the limit |
| Temperature, water deg. centigrade | 54 | 18 | 0 | ||
| Nitrogen, nitrate total [as N] | 32 | 17 | 0 | ||
| Chlorodibromomethane | 36 | 12 | 0 | ||
| Copper, total recoverable | 36 | 8 | 0 | ||
| Oxygen, dissolved [DO] | 18 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 18 | 6 | 0 | ||
| Peracetic Acid | 0 | 4 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 14, 2019 | Permit Violations - Application Incomplete | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, NJ0024970.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID NJ0024970 there.
Nearby on the register
- Discharge permits in Parsippany-Troy Hills
- Every permit record in Parsippany-Troy Hills, A to Z
- Discharge permits in New Jersey
- Every permit record in New Jersey, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.