Clean Water Act discharge permit · NPDES NE0139971

CENTURA PUBLIC SCHOOL, Cairo, NE: NPDES NE0139971 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
23Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

CENTURA PUBLIC SCHOOL, held by Centua Pulic School, holds NPDES permit NE0139971, which discharges to Lower Middle Loup. EPA’s file records it issued December 27, 2023 and expiring December 31, 2028.

CENTURA PUBLIC SCHOOL, Cairo, Nebraska: Individual permit NE0139971, held by Centua Pulic School; Publicly owned treatment works; Effective; issued December 27, 2023, term to December 31, 2028, by NDEE; discharges to Lower Middle Loup.

pH: 4 limits, 26 violations of any kind, 11 effluent exceedances, latest October 31, 2025.
Solids, total suspended: 5 limits, 50 violations of any kind, 10 effluent exceedances, latest February 28, 2026, largest 167% over the limit.
Nitrogen, ammonia total [as N]: 12 limits, 45 violations of any kind, 5 effluent exceedances, latest December 31, 2025, largest 83% over the limit.
BOD, carbonaceous [5 day, 20 C]: 5 limits, 40 violations of any kind, 0 effluent exceedances.
Temperature, water deg. fahrenheit: 2 limits, 18 violations of any kind, 0 effluent exceedances.
E. coli, MTEC-MF: 4 limits, 10 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 3 limits, 8 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Nitrate nitrogen, dry weight: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Selenium, sludge, total, dry weight [as Se]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Arsenic total, dry weight, sludge: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Molybdenum, sludge, total, dry weight [as Mo]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Zinc, sludge, total, dry weight [as Zn]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Lead, sludge, total, dry weight [as Pb]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Nickel, sludge, total, dry weight [as Ni]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Nitrogen, sludge, total, dry weight [as N]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Mercury, sludge, total, dry weight [as Hg]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Chromium, sludge, total, dry weight [as Cr]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Copper, sludge, total, dry weight [as Cu]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Cadmium, sludge, total, dry weight [as Cd]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Solids, sludge, total, dry weight: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia, sludge, tot dry wgt: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Nebraska holds 254 Publicly owned treatment works coverages of this permit type in EPA’s file; 247 were issued before NE0139971.

Coverages issued nearest NE0139971

June 30, 2021: TIMBER LAKE WASTEWATER TREATMENT FACILITY, Otoe, NE0137481, held by TIMBER LAKE HOME OWNERS ASSOCIATION
June 30, 2021: SUTHERLAND WASTEWATER TREATMENT FACILITY, Sutherland, NE0139653, held by Village of Sutherland
March 7, 2022: KIMBALL WASTEWATER TREATMENT FACILITY, Kimball, NE0021644, held by Kimball WWTF
March 30, 2023: HERMAN WASTEWATER TREATMENT, Herman, NE0139866, held by Village of Herman
March 31, 2023: CITY OF SOUTH SIOUX CITY, South Sioux City, NE0139904, held by City of South Sioux City
March 28, 2025: HASTINGS AQUA COURT, Hastings, NE0140104, held by Hastings Aqua Court
June 30, 2025: PLATTSMOUTH WASTEWATER TREATMENT FACILITY, Plattsmouth Election Precinct, NE0140295, held by City of Plattsmouth
December 18, 2025: FARMER'S COOPERATIVE, Cortland, NE0140341, held by Farmer's Cooperative, Cortland Service Center
December 23, 2025: MASON EMMONS TRUCKLINES, Brady, NE0140350, held by Mason Emmons Trucklines, LLC
March 24, 2026: ROBERT BOSCH, LLC, Lincoln, NE0140457, held by ROBERT BOSCH NORTH AMERICAN CORPORATION

CENTURA PUBLIC SCHOOL among its neighbors

EPA’s permit file holds 1 discharge permits in the 102100030708 subwatershed (HUC 102100030708), NE0139971 among them. Its county holds 28, 1 of them major permits; NE0139971 is a minor permit.

Identity

Facility as filed	CENTURA PUBLIC SCHOOL
Permittee as filed	Centua Pulic School
NPDES ID	NE0139971
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	December 27, 2023
Expiration date	December 31, 2028
Issuing agency	NDEE
Address	Cairo, NE 68824
Receiving water	Lower Middle Loup
Subwatershed	102100030708 (HUC 102100030708)

Effluent limits and exceedances

23Pollutants on file
23Under a numeric limit
9With 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
pH	4	26	11	October 31, 2025
Solids, total suspended	5	50	10	February 28, 2026	167% over the limit
Nitrogen, ammonia total [as N]	12	45	5	December 31, 2025	83% over the limit
BOD, carbonaceous [5 day, 20 C]	5	40	0
Temperature, water deg. fahrenheit	2	18	0
E. coli, MTEC-MF	4	10	0
Flow, in conduit or thru treatment plant	3	8	0
Nitrogen, total [as N]	2	8	0
Phosphorus, total [as P]	2	6	0
Nitrate nitrogen, dry weight	1	0	0
Selenium, sludge, total, dry weight [as Se]	1	0	0
Arsenic total, dry weight, sludge	1	0	0
Molybdenum, sludge, total, dry weight [as Mo]	1	0	0
Zinc, sludge, total, dry weight [as Zn]	1	0	0
Lead, sludge, total, dry weight [as Pb]	1	0	0
Nickel, sludge, total, dry weight [as Ni]	1	0	0
Nitrogen, sludge, total, dry weight [as N]	1	0	0
Mercury, sludge, total, dry weight [as Hg]	1	0	0
Chromium, sludge, total, dry weight [as Cr]	1	0	0
Copper, sludge, total, dry weight [as Cu]	1	0	0
Cadmium, sludge, total, dry weight [as Cd]	1	0	0
Solids, sludge, total, dry weight	1	0	0
Nitrogen, ammonia, sludge, tot dry wgt	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES NE0139971.

Inspections

EPA’s inspection file holds no inspection for NPDES NE0139971.

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 NE0139971.

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

This public-records page covers NPDES permit NE0139971 for CENTURA PUBLIC SCHOOL in Cairo, NE, a Minor Discharger that discharges to Lower Middle Loup within subwatershed 102100030708. The facts list 23 pollutants on file, of which 3 are under a numeric limit, 9 have a violation of any kind, and 3 have an effluent exceedance.