Clean Water Act discharge permit · NPDES PA0209261

MOORESBURG WASTEWATER TREATMENT PLANT, Danville, PA: NPDES PA0209261 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
10Pollutants under a numeric limit
4Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

MOORESBURG WASTEWATER TREATMENT PLANT, held by LIBERTY TWP MONTOUR CNTY, holds NPDES permit PA0209261, which discharges to Mauses Creek. EPA’s file records it issued July 7, 2015 and expiring July 31, 2020.

MOORESBURG WASTEWATER TREATMENT PLANT, Danville, Pennsylvania: Individual permit PA0209261, held by LIBERTY TWP MONTOUR CNTY; Publicly owned treatment works; Effective; issued July 7, 2015, term to July 31, 2020, by State Environmental Organization; discharges to Mauses Creek.

Phosphorus, total [as P]: 6 limits, 12 violations of any kind, 6 effluent exceedances, latest December 31, 2024, largest 200% over the limit.
Nitrogen, ammonia total [as N]: 16 limits, 10 violations of any kind, 2 effluent exceedances, latest January 31, 2018, largest 43% over the limit.
BOD, carbonaceous [5 day, 20 C]: 11 limits, 10 violations of any kind, 2 effluent exceedances, latest May 31, 2025, largest 32% over the limit.
Chlorine, total residual: 4 limits, 5 violations of any kind, 1 effluent exceedance, latest April 30, 2021, largest 36% over the limit.
Solids, total suspended: 9 limits, 12 violations of any kind, 0 effluent exceedances.
BOD, 5-day, 20 deg. C: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Coliform, fecal general: 8 limits, 4 violations of any kind, 0 effluent exceedances.
pH: 4 limits, 4 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 4 limits, 4 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 2 limits, 2 violations of any kind, 0 effluent exceedances.

April 14, 2026: Effluent Violations - Numeric effluent violation (ST6).
April 14, 2026: Reconnaissance without Sampling (S).
April 2, 2025: Effluent Violations - Numeric effluent violation (ST6).
August 21, 2024: Effluent Violations - Numeric effluent violation (ST6).
June 28, 2023: Effluent Violations - Numeric effluent violation (ST6).
June 28, 2023: Management Practice Violations - Improper Operation and Maintenance (ST6).
June 6, 2022: Management Practice Violations - Improper Operation and Maintenance (ST6).
April 1, 2021: Effluent Violations - Numeric effluent violation (ST6).
March 22, 2019: Effluent Violations - Numeric effluent violation (ST6).

Pennsylvania holds 261 Publicly owned treatment works coverages of this permit type in EPA’s file; 58 were issued before PA0209261.

Coverages issued nearest PA0209261

December 8, 2014: CANTON BORO AUTH SEW SYS & STP, Canton, PA0024341, held by CANTON BORO AUTH BRADFORD CNTY
April 2, 2015: NEW ALBANY BORO SEWERAGE STP SYSTEM, New Albany, PA0114286, held by NEW ALBANY BORO BRADFORD CNTY
April 2, 2015: BURNSIDE BOROUGH STP, Burnside, PA0228885, held by BURNSIDE BORO CLEARFIELD CNTY
June 22, 2015: HEIDELBERG HGTS STP, Germansville, PA0036102, held by LEHIGH CNTY AUTH
June 24, 2015: DUSHORE SEW AUTH WWTP, Dushore, PA0042722, held by DUSHORE BORO SEW AUTH SULLIVAN CNTY
September 14, 2015: TOWANDA MUNI AUTH, Towanda, PA0034576, held by TOWANDA BORO MUNI AUTH BRADFORD CNTY
October 22, 2015: HALLSTEAD GREAT BEND JT SEW AUTH, Great Bend, PA0060518, held by HALLSTEAD & GREAT BEND BORO SUSQUEHANNA CNTY JSA
November 20, 2015: SPRING CITY BORO STP, Spring City, PA0028614, held by SPRING CITY BORO CHESTER CNTY
March 31, 2016: EAST BERLIN AREA JT AUTH - STP, East Berlin, PA0021202, held by EAST BERLIN BORO MUNI AUTH ADAMS CNTY
May 18, 2016: WAMPUM BOROUGH STP, Wampum, PA0025445, held by WAMPUM BORO LAWRENCE CNTY

MOORESBURG WASTEWATER TREATMENT PLANT among its neighbors

EPA’s permit file holds 11 discharge permits in the Mahoning Creek subwatershed (HUC 020501071005), PA0209261 among them. Its county holds 20, 0 of them major permits; PA0209261 is a minor permit.

Other permits in the Mahoning Creek subwatershed (HUC 020501071005)

307 FROSTY VALLEY ROAD SOLAR, Danville: PAD190008, minor permit, discharging to Unnamed Stream, permit term to June 25, 2030
BRIAN J HUMMER TURKEY FARM, Danville: PAG124858, minor permit, discharging to UNT To Kase Run, permit term to April 30, 2022
CARBONE, HELEN P, Danville: PAG045027, minor permit, discharging to UNT TO MAUSES CREEK, permit term to February 4, 2009
CHURCH HILL ROAD FILL SITE, Valley, Township Of: PAC470054, minor permit, permit term to December 7, 2029
COOPER, JOSEPH B JR AND DIANE R SFTF, Danville: PAG045197, minor permit, discharging to UNT TO MAUSES CREEK, permit term to February 4, 2009
LEIGHOW OIL, Danville: PAR804864, minor permit, discharging to UNT MAHONING CREEK, permit term to January 31, 2013
OLDE IRON ESTATES, Valley, Township Of: PAC470011, minor permit, permit term to January 31, 2024
SHANTI MANDIR TEMPLE, Valley, Township Of: PAD470001, minor permit, permit term to August 24, 2026
SR 0054, SEC 090 SAFETY IMPROVEMENT, Danville: PAD470004, minor permit, discharging to Unnamed Stream, permit term to March 19, 2029
VALLEY TOWNSHIP MA SEW SYS STP, Danville: PA0029068, minor permit, discharging to MAUSES CREEK IN WTRSHD 5-E, permit term to March 31, 2015

Identity

Facility as filed	MOORESBURG WASTEWATER TREATMENT PLANT
Permittee as filed	LIBERTY TWP MONTOUR CNTY
NPDES ID	PA0209261
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	July 7, 2015
Expiration date	July 31, 2020
Issuing agency	State Environmental Organization
Address	Danville, PA 17821
Receiving water	Mauses Creek
Subwatershed	Mahoning Creek (HUC 020501071005)
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

11Pollutants on file
10Under a numeric limit
11With a violation of any kind
4With 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
Phosphorus, total [as P]	6	12	6	December 31, 2024	200% over the limit
Nitrogen, ammonia total [as N]	16	10	2	January 31, 2018	43% over the limit
BOD, carbonaceous [5 day, 20 C]	11	10	2	May 31, 2025	32% over the limit
Chlorine, total residual	4	5	1	April 30, 2021	36% over the limit
Solids, total suspended	9	12	0
BOD, 5-day, 20 deg. C	0	6	0
Coliform, fecal general	8	4	0
pH	4	4	0
Flow, in conduit or thru treatment plant	4	4	0
Oxygen, dissolved [DO]	2	2	0
Nitrogen, total [as N]	2	2	0

Inspections, violations and enforcement

8Single-event violations

Date	What EPA recorded	Agency
April 14, 2026	Effluent Violations - Numeric effluent violation	ST6
April 2, 2025	Effluent Violations - Numeric effluent violation	ST6
August 21, 2024	Effluent Violations - Numeric effluent violation	ST6
June 28, 2023	Effluent Violations - Numeric effluent violation	ST6
June 28, 2023	Management Practice Violations - Improper Operation and Maintenance	ST6
June 6, 2022	Management Practice Violations - Improper Operation and Maintenance	ST6
April 1, 2021	Effluent Violations - Numeric effluent violation	ST6
March 22, 2019	Effluent Violations - Numeric effluent violation	ST6

Inspections

Date	What EPA recorded	Agency
April 14, 2026	Reconnaissance without Sampling	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 PA0209261.

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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers NPDES permit PA0209261 for the MOORESBURG WASTEWATER TREATMENT PLANT in Danville, PA, held by LIBERTY TWP MONTOUR CNTY and discharging to Mauses Creek within the Mahoning Creek subwatershed (HUC 020501071005). The permit is listed as Effective and classed as a Minor discharger, with 10 pollutants under a numeric limit and 4 pollutants with an effluent exceedance.