PRASA Ponce Nueva WTP — NPDES permit PR0022756: limits, due date and EPA's record

NPDES permit PR0022756 · Major NON-POTW · administratively continued, expires 2024-04-30 · EPA's file as of 2026-09-19

Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2024-04-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

Last period with anything received: 2026-07-31. Most often over: Oxygen, dissolved [DO] (1), Copper, total [as Cu] (1), Turbidity (1).

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 (18)

Outfall	Parameter	Statistic	Limit	Months
001	Temperature, water deg. centigrade	DAILY MX	<= 32.2 deg C	all year
001	Turbidity	DAILY MX	<= 50 NTU	all year
001	Turbidity	DAILY MX	<= 305 NTU	all year
001	Color [PT-CO units]	DAILY MX	<= 15 col unit (pc)	all year
001	Color [PT-CO units]	DAILY MX	<= 30 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	<= 15 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	Copper, total [as Cu]	DAILY MX	<= 10.9 ug/L	all year
001	Copper, total [as Cu]	DAILY MX	<= 24.46 ug/L	all year
001	Lead, total [as Pb]	DAILY MX	<= 4 ug/L	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	<= 1 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	Solids, total dissolved	DAILY MX	<= 500 mg/L	all year
001	Ammonia & ammonium- total	DAILY MX	report only	all year