Clean Water Act discharge permit · NPDES KY0079448

JM STUMBO ELEMENTARY SCHOOL, Grethel, KY: NPDES KY0079448 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
8Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

JM STUMBO ELEMENTARY SCHOOL, held by JM Stumbo Elementary School, holds NPDES permit KY0079448, which discharges to Mud Crk. EPA’s file records it issued May 16, 2017 and expiring June 30, 2022.

JM STUMBO ELEMENTARY SCHOOL, Grethel, Kentucky: Individual permit KY0079448, held by JM Stumbo Elementary School; Administratively continued (past its expiration date and still in force until reissued); issued May 16, 2017, term to June 30, 2022; discharges to MUD CRK; Elementary and Secondary Schools.

Nitrogen, ammonia total [as N]: 4 limits, 80 violations of any kind, 34 effluent exceedances, latest December 31, 2025, largest 674% over the limit.
E. coli: 2 limits, 20 violations of any kind, 14 effluent exceedances, latest March 31, 2024, largest 99,999% over the limit.
Oxygen, dissolved [DO]: 1 limit, 14 violations of any kind, 11 effluent exceedances, latest June 30, 2021, largest 63% over the limit.
BOD, carbonaceous [5 day, 20 C]: 2 limits, 58 violations of any kind, 10 effluent exceedances, latest March 31, 2024, largest 99,999% over the limit.
Chlorine, total residual: 2 limits, 16 violations of any kind, 10 effluent exceedances, latest June 30, 2025, largest 11,479% over the limit.
Coliform, fecal general: 0 limits, 9 violations of any kind, 9 effluent exceedances, latest June 30, 1995, largest 99,999% over the limit.
Solids, total suspended: 2 limits, 50 violations of any kind, 6 effluent exceedances, latest December 31, 2021, largest 253% over the limit.
pH: 2 limits, 8 violations of any kind, 2 effluent exceedances, latest September 30, 1994.
Flow, in conduit or thru treatment plant: 2 limits, 23 violations of any kind, 0 effluent exceedances.

January 8, 2024: Management Practice Violations - Improper Operation and Maintenance (ST6).
June 20, 2022: Permit Violations - Violation Specified in Comment (ST6).
October 26, 2018: Management Practice Violations - Improper Operation and Maintenance (ST6).
February 9, 2017: Permit Violations - Violation Specified in Comment (ST6).
February 9, 2017: Monitoring Violations - Invalid/Unrepresentative Sample (ST6).

JM STUMBO ELEMENTARY SCHOOL among its neighbors

EPA’s permit file holds 7 discharge permits in the Mud Creek subwatershed (HUC 050702030201), KY0079448 among them. Its county holds 112, 0 of them major permits; KY0079448 is a minor permit.

Other permits in the Mud Creek subwatershed (HUC 050702030201)

DEBRA BECK RESIDENCE, Harold: KYG405165, minor permit, permit term to August 31, 2028
ELK HORN RESOURCES LLC [836-5700], Meta: KYGE41249, minor permit, permit term to January 31, 2030
MATTHEW KIDD RESIDENCE, Harold: KYG405136, minor permit, permit term to August 31, 2028
MELLOWBROOK APTS, Harold: KY0102229, minor permit, discharging to BIG SANDY, permit term to June 30, 2023
PCN 26-1509, SYP ITEM NUMBER: 12-195.10, Prestonsburg: KYR10U881, minor permit, discharging to Mud Creek, permit term to December 31, 2029
SPURLOCK MINING LLC (836-5565 & 836-5630), Printer: KY0111872, minor permit, discharging to Simpson Br of Beaver Crk, permit term to June 30, 2022

Identity

Facility as filed	JM STUMBO ELEMENTARY SCHOOL
Permittee as filed	JM Stumbo Elementary School
NPDES ID	KY0079448
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
Issued	May 16, 2017
Expiration date	June 30, 2022
Address	Grethel, KY 41631
Receiving water	MUD CRK
Subwatershed	Mud Creek (HUC 050702030201)
NAICS	611110 – Elementary and Secondary Schools
SIC	8211 – Elementary And Secondary Schools

Effluent limits and exceedances

9Pollutants on file
8Under a numeric limit
9With a violation of any kind
8With 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
Nitrogen, ammonia total [as N]	4	80	34	December 31, 2025	674% over the limit
E. coli	2	20	14	March 31, 2024	99,999% over the limit
Oxygen, dissolved [DO]	1	14	11	June 30, 2021	63% over the limit
BOD, carbonaceous [5 day, 20 C]	2	58	10	March 31, 2024	99,999% over the limit
Chlorine, total residual	2	16	10	June 30, 2025	11,479% over the limit
Coliform, fecal general	0	9	9	June 30, 1995	99,999% over the limit
Solids, total suspended	2	50	6	December 31, 2021	253% over the limit
pH	2	8	2	September 30, 1994
Flow, in conduit or thru treatment plant	2	23	0

Inspections, violations and enforcement

5Single-event violations

Date	What EPA recorded	Agency
January 8, 2024	Management Practice Violations - Improper Operation and Maintenance	ST6
June 20, 2022	Permit Violations - Violation Specified in Comment	ST6
October 26, 2018	Management Practice Violations - Improper Operation and Maintenance	ST6
February 9, 2017	Permit Violations - Violation Specified in Comment	ST6
February 9, 2017	Monitoring Violations - Invalid/Unrepresentative Sample	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES KY0079448.

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 KY0079448.

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

This public-records page covers Clean Water Act discharge permit NPDES KY0079448, held by JM Stumbo Elementary School in Grethel, KY, which discharges to Mud Crk and is administratively continued with a Minor discharger class. The page lists 8 pollutants under a numeric limit and 8 pollutants with an effluent exceedance, with the permit issued May 16, 2017 and expiring June 30, 2022.