Port Orange, City of — NPDES permit FL0020559: limits, due date and EPA's record

Sewage treatment plant, Port Orange, Florida. NPDES permit FL0020559, in force until Jun 29, 2030. Last 12 months: over a limit 35 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

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

Limits in force (76)

Period ending	Outfall	Parameter	Reported	Limit	Over by
October 2025	002	BOD, carbonaceous [5 day, 20 C], monthly average	5.8 mg/L	≤ 5 mg/L	16%
October 2025	002	BOD, carbonaceous [5 day, 20 C], weekly average	7.9 mg/L	≤ 7.5 mg/L	5%
November 2025	002	BOD, carbonaceous [5 day, 20 C], maximum	15.4 mg/L	≤ 10 mg/L	54%
November 2025	002	BOD, carbonaceous [5 day, 20 C], monthly average	6.6 mg/L	≤ 5 mg/L	32%
November 2025	002	BOD, carbonaceous [5 day, 20 C], weekly average	7.8 mg/L	≤ 7.5 mg/L	4%
November 2025	002	Solids, total suspended, maximum	32.2 mg/L	≤ 30 mg/L	7%
December 2025	002	BOD, carbonaceous [5 day, 20 C], monthly average	6.3	≤ 5 mg/L	26%
January 2026	002	BOD, carbonaceous [5 day, 20 C], monthly average	5.4	≤ 5 mg/L	8%
February 2026	002	BOD, carbonaceous [5 day, 20 C], monthly average	6.2	≤ 5 mg/L	24%
March 2026	001	LC50 Static Renewal 96Hr Acute Cyprinella leedsi, minimum	79	≥ 100 %	21%
March 2026	002	Nitrogen, ammonia total [as N], maximum	.14	≤ 0 mg/L	—
March 2026	002	Nitrogen, total [as N], monthly average	3.7	≤ 3 mg/L	23%
April 2026	001	LC50 Static Renewal 96Hr Acute Cyprinella leedsi, minimum	68.32	≥ 100 %	32%
April 2026	002	BOD, carbonaceous [5 day, 20 C], monthly average	7	≤ 5 mg/L	40%
April 2026	002	Nitrogen, total [as N], maximum	6.5	≤ 6 mg/L	8%
April 2026	002	Nitrogen, total [as N], monthly average	4.2	≤ 3 mg/L	40%
April 2026	002	Solids, total suspended, monthly average	20.2	≤ 20 mg/L	1%
June 2026	002	BOD, carbonaceous [5 day, 20 C], monthly average	7.5	≤ 5 mg/L	50%
June 2026	002	BOD, carbonaceous [5 day, 20 C], weekly average	7.7	≤ 7.5 mg/L	3%
July 2026	002	BOD, carbonaceous [5 day, 20 C], maximum	24.3	≤ 10 mg/L	143%
July 2026	002	BOD, carbonaceous [5 day, 20 C], monthly average	9.1	≤ 5 mg/L	82%
July 2026	002	BOD, carbonaceous [5 day, 20 C], weekly average	11.8	≤ 7.5 mg/L	57%
July 2026	002	Solids, total suspended, maximum	20.5	≤ 10 mg/L	105%
July 2026	002	Solids, total suspended, monthly average	24.8	≤ 5 mg/L	396%
July 2026	002	Solids, total suspended, weekly average	20.9	≤ 7.5 mg/L	179%
August 2026	001	Enterococci: group D, MF trans, M-E, EIA, maximum	2419.6	≤ 104 #/100mL	2227%
August 2026	001	Enterococci: group D, MF trans, M-E, EIA, monthly geometric mean	80.1	≤ 35 #/100mL	129%
August 2026	001	Nitrogen, ammonia total [as N], monthly average	2.68	≤ 0 mg/L	—
August 2026	002	BOD, carbonaceous [5 day, 20 C], maximum	12.1	≤ 10 mg/L	21%
August 2026	002	BOD, carbonaceous [5 day, 20 C], monthly average	7	≤ 5 mg/L	40%
August 2026	002	BOD, carbonaceous [5 day, 20 C], weekly average	10.3	≤ 7.5 mg/L	37%
August 2026	002	Nitrogen, total [as N], monthly average	3.1	≤ 3 mg/L	3%
August 2026	002	Solids, total suspended, maximum	22.8	≤ 10 mg/L	128%
August 2026	002	Solids, total suspended, monthly average	30.8	≤ 5 mg/L	516%
August 2026	002	Solids, total suspended, weekly average	23.4	≤ 7.5 mg/L	212%

Parameter	Statistic	Limit	Months	Outfall
Oxygen, dissolved [DO]	minimum	≥ 6 mg/L	all year	001
pH	minimum	≥ 6.5 SU	all year	001
pH	maximum	≤ 8.5 SU	all year	001
Solids, total suspended	weekly average	≤ 45 mg/L	all year	001
Solids, total suspended	maximum	≤ 60 mg/L	all year	001
Solids, total suspended	monthly average	≤ 20 mg/L	all year	001
Nitrogen, total [as N]	weekly average	≤ 24 mg/L	all year	001
Nitrogen, total [as N]	maximum	≤ 32 mg/L	all year	001
Nitrogen, total [as N]	monthly average	≤ 16 mg/L	all year	001
Nitrogen, total [as N]	annual total	≤ 48686 lb/yr	all year	001
Nitrogen, total [as N]	monthly total	report only (lb/yr)	all year	001
Nitrogen, organic total [as N]	weekly average	≤ 7.5 mg/L	all year	001
Nitrogen, organic total [as N]	maximum	≤ 10 mg/L	all year	001
Nitrogen, organic total [as N]	monthly average	≤ 5 mg/L	all year	001
Nitrogen, organic total [as N]	annual total	≤ 15214 lb/yr	all year	001
Nitrogen, organic total [as N]	monthly total	report only (lb/yr)	all year	001
Nitrogen, ammonia total [as N]	maximum	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	maximum	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	maximum	≤ 0 mg/L	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 0 mg/L	all year	001
Nitrogen, ammonia total [as N]	annual total	≤ 3043 lb/yr	all year	001
Nitrogen, ammonia total [as N]	monthly total	report only (lb/yr)	all year	001
Nitrite + Nitrate total [as N]	weekly average	≤ 15 mg/L	all year	001
Nitrite + Nitrate total [as N]	maximum	≤ 20 mg/L	all year	001
Nitrite + Nitrate total [as N]	monthly average	≤ 12 mg/L	all year	001
Nitrite + Nitrate total [as N]	annual total	≤ 36515 lb/yr	all year	001
Nitrite + Nitrate total [as N]	monthly total	report only (lb/yr)	all year	001
Phosphorus, total [as P]	weekly average	≤ 4.5 mg/L	all year	001
Phosphorus, total [as P]	maximum	≤ 6 mg/L	all year	001
Phosphorus, total [as P]	monthly average	≤ 3 mg/L	all year	001
Phosphorus, total [as P]	annual total	≤ 9129 lb/yr	all year	001
Phosphorus, total [as P]	monthly total	report only (lb/yr)	all year	001
Zinc, total recoverable	maximum	≤ 205 ug/L	all year	001
Copper, total recoverable	maximum	≤ 9.4 ug/L	all year	001
Enterococci: group D, MF trans, M-E, EIA	monthly geometric mean	≤ 35 #/100mL	all year	001
Enterococci: group D, MF trans, M-E, EIA	maximum	≤ 104 #/100mL	all year	001
Dichlorobromomethane	annual average	≤ 27.5 ug/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	≤ .999 MGD	all year	001
Chlorine, total residual	maximum	≤ .01 mg/L	all year	001
Chlorine, total residual	minimum	≥ .5 mg/L	all year	001
Coliform, fecal general	maximum	≤ 800 #/100mL	all year	001
Coliform, fecal general	90th percentile	≤ 400 #/100mL	all year	001
Coliform, fecal general	monthly geometric mean	≤ 200 #/100mL	all year	001
Coliform, fecal general	annual average	≤ 200 #/100mL	all year	001
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 45 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	maximum	≤ 60 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 20 mg/L	all year	001
LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia	minimum	≥ 100 %	all year	001
LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia	minimum	≥ 100 %	all year	001
LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia	minimum	≥ 100 %	all year	001
LC50 Static Renewal 96Hr Acute Cyprinella leedsi	minimum	≥ 100 %	all year	001
LC50 Static Renewal 96Hr Acute Cyprinella leedsi	minimum	≥ 100 %	all year	001
LC50 Static Renewal 96Hr Acute Cyprinella leedsi	minimum	≥ 100 %	all year	001
Solids, total suspended	weekly average	≤ 7.5 mg/L	all year	002
Solids, total suspended	maximum	≤ 10 mg/L	all year	002
Solids, total suspended	monthly average	≤ 5 mg/L	all year	002
Nitrogen, total [as N]	weekly average	≤ 4.5 mg/L	all year	002
Nitrogen, total [as N]	maximum	≤ 6 mg/L	all year	002
Nitrogen, total [as N]	monthly average	≤ 3 mg/L	all year	002
Nitrogen, ammonia total [as N]	maximum	report only (mg/L)	all year	002
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	all year	002
Nitrogen, ammonia total [as N]	monthly average	report only (mg/L)	all year	002
Nitrogen, ammonia total [as N]	maximum	report only (mg/L)	all year	002
Nitrogen, ammonia total [as N]	maximum	≤ 0 mg/L	all year	002
Nitrogen, ammonia total [as N]	monthly average	≤ 0 mg/L	all year	002
Phosphorus, total [as P]	weekly average	≤ 1.5 mg/L	all year	002
Phosphorus, total [as P]	maximum	≤ 2 mg/L	all year	002
Phosphorus, total [as P]	monthly average	≤ 1 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	≤ .999 MGD	all year	002
BOD, carbonaceous [5 day, 20 C]	weekly average	≤ 7.5 mg/L	all year	002
BOD, carbonaceous [5 day, 20 C]	maximum	≤ 10 mg/L	all year	002
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 5 mg/L	all year	002

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/FL0020559 · MCP: https://passage-data.com/mcp