PRASA Enrique Ortega WTP — NPDES permit PR0022616: limits, due date and EPA's record

NPDES permit PR0022616 · Major NON-POTW · effective, expires 2028-06-30 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

Last period with anything received: 2026-07-31. Most often over: Lead, total [as Pb] (3), BOD, 5-day, 20 deg. C (2), Temperature, water deg. centigrade (2).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (25)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. centigrade	DAILY MX	<= 30 deg C	all year
001	Turbidity	DAILY MX	<= 50 NTU	all year
001	Turbidity	DAILY MX	<= 500 NTU	all year
001	Color [PT-CO units]	DAILY MX	<= 15 col unit (pc)	all year
001	Color [PT-CO units]	DAILY MX	<= 40 col unit (pc)	all year
001	Oxygen, dissolved [DO]	INST MIN	>= 5 mg/L	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	<= 5 mg/L	all year
001	BOD, 5-day, 20 deg. C	DAILY MX	<= 30 mg/L	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, settleable	DAILY MX	report only	all year
001	Nitrogen, total [as N]	DAILY MX	<= 1700 ug/L	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	<= 10 ug/L	all year
001	Arsenic, total [as As]	DAILY MX	report only	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	<= 12 ug/L	all year
001	Copper, total [as Cu]	DAILY MX	<= 702 ug/L	all year
001	Lead, total [as Pb]	DAILY MX	<= 4.4 ug/L	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	<= 4.128 MGD	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Chlorine, total residual	DAILY MX	<= 11 ug/L	all year
001	Whole Effluent Toxicity [WET] - P. promelas	MINIMUM	report only	all year
001	Whole Effluent Toxicity [WET] - D. magna	MINIMUM	report only	all year
001	Ammonia & ammonium- total	DAILY MX	report only	all year