Clean Water Act discharge permit · NPDES PA0223069

COOLSPRING JACKSON LAKE LATONKA STP, Mercer, PA: NPDES PA0223069 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
12Pollutants under a numeric limit
1Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

COOLSPRING JACKSON LAKE LATONKA STP, held by COOLSPRING JACKSON LAKE LATONKA JT AUTH, holds NPDES permit PA0223069, which discharges to Cool Spring Creek. EPA’s file records it issued May 18, 2021 and expiring May 31, 2026.

COOLSPRING JACKSON LAKE LATONKA STP, Mercer, Pennsylvania: Individual permit PA0223069, held by COOLSPRING JACKSON LAKE LATONKA JT AUTH; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued May 18, 2021, term to May 31, 2026, by State Environmental Organization; discharges to Cool Spring Creek; Sewage Treatment Facilities.

Coliform, fecal general: 4 limits, 6 violations of any kind, 2 effluent exceedances, latest November 30, 2018, largest 99,999% over the limit.
Solids, total suspended: 6 limits, 12 violations of any kind, 0 effluent exceedances.
BOD, carbonaceous [5 day, 20 C]: 8 limits, 8 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 4 limits, 4 violations of any kind, 0 effluent exceedances.
BOD, 5-day, 20 deg. C: 2 limits, 4 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Ultraviolet light intensity: 1 limit, 2 violations of any kind, 0 effluent exceedances.
E. coli: 1 limit, 0 violations of any kind, 0 effluent exceedances.

March 25, 2026: Evaluation (S).

Pennsylvania holds 261 Publicly owned treatment works coverages of this permit type in EPA’s file; 210 were issued before PA0223069.

Coverages issued nearest PA0223069

April 13, 2021: MILLERSTOWN STP, Millerstown, PA0021849, held by MILLERSTOWN MUNI AUTH PERRY CNTY
April 19, 2021: EVERETT STP, Everett, PA0037711, held by EVERETT BORO AREA MUNI AUTH BEDFORD CNTY
April 19, 2021: MONT ALTO STP, Mont Alto, PA0038130, held by MONT ALTO BORO SEW AUTH FRANKLIN CNTY
April 19, 2021: ROCKET RD STP, Chambersburg, PA0044521, held by FRANKLIN CNTY GEN AUTH
April 20, 2021: EAGLES MERE BORO AUTH SEWER SYS AND WWTPS, Eagles Mere, PA0028282, held by EAGLES MERE BORO AUTH SULLIVAN CNTY
May 25, 2021: SLABTOWN WWTP, Catawissa, PA0113956, held by LOCUST TWP MUNI AUTH COLUMBIA CNTY
June 8, 2021: NUMINE WWTP, Numine, PA0216984, held by SHANNOCK VALLEY GEN SVC AUTH
June 23, 2021: PENN TWP KINKORA STP, Duncannon, PA0084123, held by PENN TWP MUNI AUTH PERRY CNTY
July 1, 2021: YORK HAVEN STP, York Haven, PA0081566, held by YORK HAVEN BORO SEW AUTH YORK CNTY
July 1, 2021: MARGARET STP, Kittanning, PA0252506, held by INDIANA CNTY MUNI SVC AUTH

COOLSPRING JACKSON LAKE LATONKA STP among its neighbors

EPA’s permit file holds 6 discharge permits in the Cool Spring Creek subwatershed (HUC 050301020502), PA0223069 among them. Its county holds 148, 3 of them major permits; PA0223069 is a minor permit.

Other permits in the Cool Spring Creek subwatershed (HUC 050301020502)

1820 SCRUBGRASS RD SRSTP, Jackson Center: PAG041461, minor permit, discharging to UNT To Mill Creek, permit term to November 11, 2028
553 HARTWICK RD SRSTP, Mercer: PAG041342, minor permit, discharging to UNT To Mill Creek, permit term to November 11, 2028
EUGENE CIANCI, Greenville: PAG048452, minor permit, discharging to UNT LITTLE SHENANGO RIVER, permit term to May 23, 2007
LAKE LATONKA PESTICIDES, Mercer: PAG158301, minor permit, discharging to Unnamed Stream, permit term to June 3, 2025
WOLF CREEK CAMPGROUND SFTF, Grove City: PAG041492, minor permit, discharging to UNT To Mill Creek, permit term to November 11, 2028

Identity

Facility as filed	COOLSPRING JACKSON LAKE LATONKA STP
Permittee as filed	COOLSPRING JACKSON LAKE LATONKA JT AUTH
NPDES ID	PA0223069
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	May 18, 2021
Expiration date	May 31, 2026
Issuing agency	State Environmental Organization
Address	Mercer, PA 16137
Receiving water	Cool Spring Creek
Receiving water impaired	303(D) Listed
Subwatershed	Cool Spring Creek (HUC 050301020502)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

12Pollutants on file
12Under a numeric limit
11With a violation of any kind
1With 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
Coliform, fecal general	4	6	2	November 30, 2018	99,999% over the limit
Solids, total suspended	6	12	0
BOD, carbonaceous [5 day, 20 C]	8	8	0
Nitrogen, total [as N]	2	6	0
Phosphorus, total [as P]	2	6	0
Nitrogen, ammonia total [as N]	4	4	0
BOD, 5-day, 20 deg. C	2	4	0
pH	2	4	0
Flow, in conduit or thru treatment plant	2	4	0
Oxygen, dissolved [DO]	1	2	0
Ultraviolet light intensity	1	2	0
E. coli	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES PA0223069.

Inspections

Date	What EPA recorded	Agency
March 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 PA0223069.

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

This public-records page covers NPDES permit PA0223069 for the COOLSPRING JACKSON LAKE LATONKA STP in Mercer, PA, held by COOLSPRING JACKSON LAKE LATONKA JT AUTH and discharging to Cool Spring Creek. The page lists a permit status of Administratively continued, a discharger class of Minor, 12 pollutants under a numeric limit, and 1 pollutant with an effluent exceedance.