St. Johns County School Board - Orange

NPDES permit FL0429333 · Minor NON-POTW · administratively continued, expires 2026-08-26 · 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.

This permit expired on 2026-08-26 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

14values over a limit
0required values missing, on 0 form(s)
0of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (8), Specific conductance (4), pH (2).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among FL permits in EPA's filings — check your permit).

Limits in force (26)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMAXIMUM report only all year
001Specific conductanceMAXIMUM <= 4950 umho/cm all year
001Specific conductanceMAXIMUM report only all year
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMAXIMUM report only all year
001Nitrogen, total [as N]MAXIMUM report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MAXIMUM report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MAXIMUM report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 0 mg/L all year
001Nitrogen, ammonia total [as N]MAXIMUM <= 0 mg/L all year
001Phosphorus, total [as P]MAXIMUM report only all year
001Radium 226 + radium 228, totalMAXIMUM <= 12.5 pCi/L all year
001Flow, in conduit or thru treatment plantDAILY MX <= .032 MGD all year
001Flow, in conduit or thru treatment plantMO AVG <= .0072 MGD all year
001Hydrogen sulfide, unionizedMAXIMUM report only all year
001Alpha, gross particle activityMAXIMUM <= 20 pCi/L all year
001LC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 20 % all year
001LC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 20 % all year
001LC50 Static Renewal 96Hr Acute Ceriodaphnia dubiaMINIMUM >= 20 % all year
001LC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 20 % all year
001LC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 20 % all year
001LC50 Static Renewal 96Hr Acute Cyprinella leedsiMINIMUM >= 20 % 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