NPS Cinnamon Bay Reverse Osmosis Plant

NPDES permit VI0000615 · Minor FEDERAL · effective, expires 2028-01-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
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.

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

0values over a limit
0required values missing, on 0 form(s)
7of 15 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 31 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (10)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX <= 32 deg C all year
001Oxygen, dissolved [DO]MINIMUM >= 5.5 mg/L all year
001Oxygen, dissolved [DO]DAILY MX report only all year
001pHMINIMUM >= 7 SU all year
001pHMAXIMUM <= 8.3 SU all year
001SalinityDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= .046 MGD all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states