NEWPORT CITY HALL

NPDES permit RI0100293 · Major POTW · administratively continued, expires 2020-05-31 · 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.

This permit expired on 2020-05-31 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

6values over a limit
0required values missing, on 0 form(s)
2of 48 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, 20 deg. C (4), Solids, suspended percent removal (1), Solids, total suspended (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (123)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 50 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 2927 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 4879 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspendedMO AVG <= 2927 lb/d all year
001Solids, total suspendedDAILY MX <= 4879 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, settleableWKLY AVG report only all year
001Solids, settleableDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Ammonia nitrogen, total, [as N] 30 dayMO AVG report only all year
001Ammonia nitrogen, total, [as N] 30 dayDAILY MX report only all year
001Nitrogen, nitrite total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, nitrite total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, nitrate total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, nitrate total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Cyanide, total [as CN]MO AVG report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cadmium, total [as Cd]MO AVG report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Chromium, hexavalent [as Cr]MO AVG report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Copper, total [as Cu]MO AVG report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]MO AVG report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Nickel, total [as Ni]MO AVG report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Zinc, total [as Zn]MO AVG report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Aluminum, total [as Al]MO AVG report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001Ultraviolet light intensityMINIMUM report only all year
001Ultraviolet light intensityAVERAGE report only all year
001Ultraviolet light intensityMAXIMUM report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 16 MGD all year
001Flow, in conduit or thru treatment plantANNL AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 16 MGD all year
001Flow, in conduit or thru treatment plantANNL AVG <= 13.1 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 19.7 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 30 MGD all year
001Ultraviolet light transmittanceMINIMUM report only all year
001Ultraviolet light transmittanceAVERAGE report only all year
001Ultraviolet light transmittanceMAXIMUM report only all year
001EnterococciMO AVG report only all year
001EnterococciMO AVG <= 35 CFU/100mL all year
001EnterococciDAILY MX report only all year
001EnterococciDAILY MX <= 276 CFU/100mL all year
001Ultraviolet light dosageMINIMUM report only all year
001Ultraviolet light dosageAVERAGE report only all year
001Ultraviolet light dosageMAXIMUM report only all year
001Coliform, fecal generalMO GEO <= 200 MPN/100mL all year
001Coliform, fecal generalMO AVG report only all year
001Coliform, fecal generalDAILY MX <= 400 MPN/100mL all year
001Coliform, fecal generalDAILY MX report only all year
001BOD, 5-day, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 85 % all year
001LC50 Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)DAILY MN >= 100 % Mar, Jun, Sep, Dec
007BOD, 5-day, 20 deg. CMO AVG report only all year
007BOD, 5-day, 20 deg. CDAILY MX report only all year
007BOD, 5-day, 20 deg. CMO AVG report only all year
007BOD, 5-day, 20 deg. CDAILY MX report only all year
007Solids, total suspendedMO AVG report only all year
007Solids, total suspendedDAILY MX report only all year
007Solids, total suspendedMO AVG report only all year
007Solids, total suspendedDAILY MX report only all year
007Oil & GreaseMO AVG report only all year
007Oil & GreaseDAILY MX report only all year
007Chlorine, total residualMO AVG report only all year
007Chlorine, total residualDAILY MX report only all year
007Flow, totalDAILY MX report only all year
007Flow, totalDAILY MX report only all year
007EnterococciMO AVG report only all year
007EnterococciDAILY MX report only all year
007Coliform, fecal generalMO AVG report only all year
007Coliform, fecal generalDAILY MX report only all year
007BOD, 5-day, percent removalMO AVG <= 35 % all year
007Solids, suspended percent removalMO AVG <= 50 % all year
010BOD, 5-day, 20 deg. CMO AVG report only all year
010BOD, 5-day, 20 deg. CDAILY MX report only all year
010BOD, 5-day, 20 deg. CMO AVG report only all year
010BOD, 5-day, 20 deg. CDAILY MX report only all year
010Solids, total suspendedMO AVG report only all year
010Solids, total suspendedDAILY MX report only all year
010Solids, total suspendedMO AVG report only all year
010Solids, total suspendedDAILY MX report only all year
010Oil & GreaseMO AVG report only all year
010Oil & GreaseDAILY MX report only all year
010Chlorine, total residualMO AVG report only all year
010Chlorine, total residualMO AVG report only all year
010Chlorine, total residualDAILY MX report only all year
010Chlorine, total residualDAILY MX <= 20 ug/L all year
010Flow, totalDAILY MX report only all year
010Flow, totalDAILY MX report only all year
010EnterococciMO AVG report only all year
010EnterococciMO AVG report only all year
010EnterococciDAILY MX report only all year
010EnterococciDAILY MX <= 276 CFU/100mL all year
010Coliform, fecal generalMO AVG report only all year
010Coliform, fecal generalDAILY MX report only all year
010BOD, 5-day, percent removalMO AVG report only all year
010Solids, suspended percent removalMO AVG 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