City of Orlando Public Works — NPDES permit FL0037966: limits, due date and EPA's record

Sewage treatment plant, major discharger, Oviedo, Florida. NPDES permit FL0037966 expired Oct 21, 2025; its limits still apply. Last 12 months: over a limit 33 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Limits in force (91)

Period ending	Outfall	Parameter	Reported	Limit	Over by
October 2025	001	Nitrogen, Kjeldahl, total [as N], maximum	6.49 mg/L	≤ 4.28 mg/L	52%
October 2025	001	Nitrogen, Kjeldahl, total [as N], monthly average	3.68 mg/L	≤ 2.14 mg/L	72%
October 2025	001	Nitrogen, Kjeldahl, total [as N], weekly average	4.26 mg/L	≤ 3.21 mg/L	33%
October 2025	001	Nitrogen, total [as N], annual average	3.1 mg/L	≤ 3.08 mg/L	1%
October 2025	001	Nitrogen, total [as N], maximum	8.18 mg/L	≤ 6.16 mg/L	33%
October 2025	001	Nitrogen, total [as N], monthly average	5.16 mg/L	≤ 3.08 mg/L	68%
October 2025	001	Nitrogen, total [as N], weekly average	5.53 mg/L	≤ 4.62 mg/L	20%
October 2025	001	Oxygen, dissolved [DO], minimum	5.9 mg/L	≥ 6.1 mg/L	3%
November 2025	001	Nitrogen, total [as N], annual average	3.2 mg/L	≤ 3.08 mg/L	4%
November 2025	002	Solids, total suspended, maximum	274 mg/L	≤ 30 mg/L	813%
November 2025	002	Solids, total suspended, monthly average	17.88 mg/L	≤ 15 mg/L	19%
November 2025	002	Solids, total suspended, weekly average	55.39 mg/L	≤ 22.5 mg/L	146%
December 2025	001	Nitrogen, total [as N], annual average	3.29 mg/L	≤ 3.08 mg/L	7%
December 2025	002	Phosphorus, total [as P], monthly average	.222 mg/L	≤ .2 mg/L	11%
December 2025	003	Phosphorus, total [as P], monthly average	.2245 mg/L	≤ .2 mg/L	12%
January 2026	001	Nitrogen, Kjeldahl, total [as N], annual average	2.22	≤ 2.14 mg/L	4%
January 2026	001	Nitrogen, Kjeldahl, total [as N], maximum	7.92	≤ 4.28 mg/L	85%
January 2026	001	Nitrogen, Kjeldahl, total [as N], monthly average	3.49	≤ 2.14 mg/L	63%
January 2026	001	Nitrogen, Kjeldahl, total [as N], weekly average	5.17	≤ 3.21 mg/L	61%
January 2026	001	Nitrogen, total [as N], annual average	3.47	≤ 3.08 mg/L	13%
January 2026	001	Nitrogen, total [as N], maximum	8.92	≤ 6.16 mg/L	45%
January 2026	001	Nitrogen, total [as N], monthly average	4.72	≤ 3.08 mg/L	53%
January 2026	001	Nitrogen, total [as N], weekly average	6.29	≤ 4.62 mg/L	36%
February 2026	001	Nitrogen, total [as N], annual average	3.1	≤ 3.08 mg/L	1%
March 2026	001	Nitrogen, total [as N], annual average	3.33	≤ 3.08 mg/L	8%
April 2026	001	Nitrogen, total [as N], annual average	3.43	≤ 3.08 mg/L	11%
May 2026	001	Nitrogen, total [as N], annual average	3.51	≤ 3.08 mg/L	14%
May 2026	001	Oxygen, dissolved [DO], minimum	5.9	≥ 6.1 mg/L	3%
June 2026	001	Nitrogen, total [as N], annual average	3.55	≤ 3.08 mg/L	15%
June 2026	001	Oxygen, dissolved [DO], minimum	5.9	≥ 6.1 mg/L	3%
July 2026	001	Nitrogen, Kjeldahl, total [as N], annual average	2.26	≤ 2.14 mg/L	6%
July 2026	001	Nitrogen, total [as N], annual average	3.59	≤ 3.08 mg/L	17%
August 2026	001	Nitrogen, total [as N], annual average	3.38	≤ 3.08 mg/L	10%

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. centigrade	maximum	report only (deg C)	all year	001
Oxygen demand, ultimate	monthly average	≤ 3718 lb/d	all year	001
Oxygen, dissolved [DO]	minimum	≥ 6.1 mg/L	all year	001
pH	minimum	≥ 6 SU	all year	001
pH	maximum	≤ 8.5 SU	all year	001
Solids, total suspended	maximum	≤ 34.4 mg/L	all year	001
Solids, total suspended	weekly average	≤ 25.8 mg/L	all year	001
Solids, total suspended	monthly average	≤ 17.2 mg/L	all year	001
Solids, total suspended	monthly average	≤ 4000 lb/d	all year	001
Solids, total suspended	annual average	≤ 17.2 mg/L	all year	001
Nitrogen, total [as N]	maximum	≤ 6.16 mg/L	all year	001
Nitrogen, total [as N]	weekly average	≤ 4.62 mg/L	all year	001
Nitrogen, total [as N]	monthly average	≤ 3.08 mg/L	all year	001
Nitrogen, total [as N]	monthly average	≤ 720 lb/d	all year	001
Nitrogen, total [as N]	annual average	≤ 3.08 mg/L	all year	001
Nitrogen, Kjeldahl, total [as N]	maximum	≤ 4.28 mg/L	all year	001
Nitrogen, Kjeldahl, total [as N]	weekly average	≤ 3.21 mg/L	all year	001
Nitrogen, Kjeldahl, total [as N]	monthly average	≤ 2.14 mg/L	all year	001
Nitrogen, Kjeldahl, total [as N]	monthly average	≤ 500 lb/d	all year	001
Nitrogen, Kjeldahl, total [as N]	annual average	≤ 2.14 mg/L	all year	001
Phosphorus, total [as P]	maximum	≤ 1.88 mg/L	all year	001
Phosphorus, total [as P]	weekly average	≤ 1.41 mg/L	all year	001
Phosphorus, total [as P]	monthly average	≤ .94 mg/L	all year	001
Phosphorus, total [as P]	monthly average	≤ 220 lb/d	all year	001
Phosphorus, total [as P]	annual average	≤ .94 mg/L	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	annual average	≤ 28 MGD	all year	001
Chlorine, total residual	maximum	≤ .01 mg/L	all year	001
Chlorine, total residual	minimum	≥ .5 mg/L	all year	001
E. coli	monthly geometric mean	≤ 126 #/100mL	all year	001
E. coli	90th percentile	≤ 410 #/100mL	all year	001
Coliform, fecal general	monthly geometric mean	≤ 200 #/100mL	all year	001
Coliform, fecal general	maximum	≤ 800 #/100mL	all year	001
Coliform, fecal general	annual average	≤ 200 #/100mL	all year	001
BOD, carbonaceous [5 day, 20 C]	maximum	≤ 8.56 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 6.42 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 4.28 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 1000 lb/d	all year	001
BOD, carbonaceous [5 day, 20 C]	annual average	≤ 4.28 mg/L	all year	001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum	≥ 100 %	all year	001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum	≥ 100 %	all year	001
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia	minimum	≥ 100 %	all year	001
IC25 Static Renewal 7 Day Chronic Pimephales	minimum	≥ 100 %	all year	001
IC25 Static Renewal 7 Day Chronic Pimephales	minimum	≥ 100 %	all year	001
IC25 Static Renewal 7 Day Chronic Pimephales	minimum	≥ 100 %	all year	001
Oxygen, dissolved [DO]	minimum annual average	≥ 3.8 mg/L	all year	002
pH	minimum	≥ 6 SU	all year	002
pH	maximum	≤ 8.5 SU	all year	002
Solids, total suspended	maximum	≤ 30 mg/L	all year	002
Solids, total suspended	weekly average	≤ 22.5 mg/L	all year	002
Solids, total suspended	monthly average	≤ 15 mg/L	all year	002
Solids, total suspended	annual average	≤ 15 mg/L	all year	002
Nitrogen, total [as N]	maximum	≤ 4.62 mg/L	all year	002
Nitrogen, total [as N]	weekly average	≤ 3.47 mg/L	all year	002
Nitrogen, total [as N]	monthly average	≤ 2.31 mg/L	all year	002
Nitrogen, total [as N]	monthly average	≤ 674 lb/d	all year	002
Nitrogen, total [as N]	annual average	≤ 2.31 mg/L	all year	002
Phosphorus, total [as P]	maximum	≤ .4 mg/L	all year	002
Phosphorus, total [as P]	weekly average	≤ .3 mg/L	all year	002
Phosphorus, total [as P]	monthly average	≤ .2 mg/L	all year	002
Phosphorus, total [as P]	monthly average	≤ 58 lb/d	all year	002
Phosphorus, total [as P]	annual average	≤ .2 mg/L	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	annual average	report only (MGD)	all year	002
BOD, carbonaceous [5 day, 20 C]	maximum	≤ 20 mg/L	all year	002
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 15 mg/L	all year	002
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 10 mg/L	all year	002
BOD, carbonaceous [5 day, 20 C]	annual average	≤ 10 mg/L	all year	002
Oxygen, dissolved [DO]	minimum annual average	≥ 3.8 mg/L	all year	003
pH	minimum	≥ 6 SU	all year	003
pH	maximum	≤ 8.5 SU	all year	003
Solids, total suspended	maximum	≤ 30 mg/L	all year	003
Solids, total suspended	weekly average	≤ 22.5 mg/L	all year	003
Solids, total suspended	monthly average	≤ 15 mg/L	all year	003
Solids, total suspended	annual average	≤ 15 mg/L	all year	003
Nitrogen, total [as N]	maximum	≤ 4.62 mg/L	all year	003
Nitrogen, total [as N]	weekly average	≤ 3.47 mg/L	all year	003
Nitrogen, total [as N]	monthly average	≤ 2.31 mg/L	all year	003
Nitrogen, total [as N]	monthly average	≤ 674 lb/d	all year	003
Nitrogen, total [as N]	annual average	≤ 2.31 mg/L	all year	003
Phosphorus, total [as P]	maximum	≤ .4 mg/L	all year	003
Phosphorus, total [as P]	weekly average	≤ .3 mg/L	all year	003
Phosphorus, total [as P]	monthly average	≤ .2 mg/L	all year	003
Phosphorus, total [as P]	monthly average	≤ 58 lb/d	all year	003
Phosphorus, total [as P]	annual average	≤ .2 mg/L	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	annual average	report only (MGD)	all year	003
BOD, carbonaceous [5 day, 20 C]	maximum	≤ 20 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 15 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 10 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	annual average	≤ 10 mg/L	all year	003

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/FL0037966 · MCP: https://passage-data.com/mcp