EASTERN CORRECTIONAL INSTITUTE

NPDES permit MD0066613 · Minor NON-POTW · expired, expires 2026-03-31 · 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 2026-03-31 and is expired: 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

2values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-07-31. Most often over: Phosphorus, total [as P] (1), Nitrogen, total [as N] (1).

Reporting

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

Limits in force (138)

OutfallParameterStatisticLimitMonths
001ConductivityMO AVG report only all year
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001Oxygen, dissolved [DO]INST MIN >= 5 mg/L Feb, Mar, Apr, May
001Oxygen, dissolved [DO]MINIMUM >= 5 mg/L all year
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L Feb, Mar, Apr, May
001BOD, 5-day, 20 deg. CMX MO AV <= 15 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 8 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 23 mg/L all year
001BOD, 5-day, 20 deg. CMX WK AV <= 12 mg/L all year
001BOD, 5-day, 20 deg. CMX MO AV <= 60 lb/d all year
001BOD, 5-day, 20 deg. CMX MO AV <= 60 lb/d all year
001BOD, 5-day, 20 deg. CMX WK AV <= 92 lb/d all year
001BOD, 5-day, 20 deg. CCUM TOTL report only all year
001BOD, 5-day, 20 deg. CMO TOTAL <= 1801 lb/mo May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMX WK AV <= 92 lb/d all year
001BOD, 5-day, 20 deg. CMO TOTAL <= 1801 lb/mo May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CCUM TOTL report only all year
001BOD, 5-day, 20 deg. CMO TOTAL report only Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO TOTAL report only Jan, Feb, Mar, Apr, Nov, Dec
001pHMINIMUM >= 6.5 SU all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMX MO AV <= 15 mg/L all year
001Solids, total suspendedMX MO AV <= 8 mg/L all year
001Solids, total suspendedMX WK AV <= 23 mg/L all year
001Solids, total suspendedMX WK AV <= 12 mg/L all year
001Solids, total suspendedMX MO AV <= 60 lb/d all year
001Solids, total suspendedMX MO AV <= 60 lb/d all year
001Solids, total suspendedANNL MAX <= 104158 lb/yr all year
001Solids, total suspendedMX WK AV <= 92 lb/d all year
001Solids, total suspendedMX WK AV <= 92 lb/d all year
001Solids, total suspendedMO TOTAL report only all year
001Nitrogen, total [as N]MX MO AV <= 3 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MX WK AV <= 4.5 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]MX MO AV <= 12 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO TOTAL report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, total [as N]MX WK AV <= 18 lb/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]MO TOTAL <= 360 lb/mo May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, total [as N]CUM TOTL <= 6100 lb/yr all year
001Nitrogen, total [as N]CUM TOTL <= 11689 lb/yr all year
001Nitrogen, total [as N]MO TOTAL report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, total [as N]WKLY AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, total [as N]WKLY AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, total [as N]MO TOTAL <= 360 lb/mo May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, organic total [as N]MO AVG report only all year
001Nitrogen, organic total [as N]MO AVG report only all year
001Nitrogen, organic total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MX MO AV <= .3 mg/L all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MX WK AV <= .45 mg/L all year
001Phosphorus, total [as P]MX MO AV <= 1.2 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Phosphorus, total [as P]MX WK AV <= 1.8 lb/d all year
001Phosphorus, total [as P]CUM TOTL report only all year
001Phosphorus, total [as P]MO TOTAL <= 38 lb/mo May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]CUM TOTL <= 482 lb/yr all year
001Phosphorus, total [as P]MO TOTAL report only Jan, Feb, Mar, Apr, Nov, Dec
001Hardness, total [as CaCO3]MO AVG report only all year
001Chloride [as Cl]MO AVG report only all year
001Fluoride, total [as F]MO AVG report only all year
001Cadmium, total recoverableMO AVG report only all year
001Lead, total recoverableMO AVG report only all year
001Phosphate, ortho [as P]MO AVG report only all year
001Phosphate, ortho [as P]MO AVG report only all year
001Phosphate, ortho [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMAXIMUM < .1 mg/L all year
001Chlorine, total residualDAILY MX <= .1 mg/L all year
001Coliform, fecal generalMO MED <= 14 MPN/100mL all year
001Coliform, fecal generalMAXIMUM <= 7 MPN/100mL all year
001Flow, totalTOTAL report only all year
001Flow, totalMO TOTAL report only all year
002ConductivityMO AVG report only all year
002ConductivityMO AVG report only all year
002ConductivityMO AVG report only all year
002Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Solids, total suspendedMX MO AV <= 20 mg/L all year
002Solids, total suspendedMX WK AV <= 30 mg/L all year
002Solids, total suspendedMX MO AV <= 70 lb/d all year
002Solids, total suspendedMX WK AV <= 110 lb/d all year
002Nitrogen, total [as N]CUM TOTL <= 5589 lb/yr all year
002Nitrogen, total [as N]MO TOTAL report only all year
002Nitrogen, total [as N]MO AVG <= 3 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, total [as N]WKLY AVG <= 4.5 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, total [as N]MO AVG <= 11 lb/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, total [as N]WKLY AVG <= 16 lb/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, organic total [as N]MO AVG report only all year
002Nitrogen, organic total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]MX MO AV <= .5 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MX MO AV <= .8 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002Nitrogen, ammonia total [as N]MX WK AV <= 3.2 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MX WK AV <= 2.7 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002Nitrogen, ammonia total [as N]MX MO AV <= 1.8 lb/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MX MO AV <= 2.8 lb/d Jan, Feb, Mar, Apr, Nov, Dec
002Nitrogen, ammonia total [as N]MX WK AV <= 11 lb/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MX WK AV <= 9.5 lb/d Jan, Feb, Mar, Apr, Nov, Dec
002Nitrite + Nitrate total [as N]MO AVG report only all year
002Nitrite + Nitrate total [as N]MO AVG report only all year
002Phosphorus, total [as P]MX MO AV <= .3 mg/L all year
002Phosphorus, total [as P]MX WK AV <= .45 mg/L all year
002Phosphorus, total [as P]MX MO AV <= 1.1 lb/d all year
002Phosphorus, total [as P]MO TOTAL report only all year
002Phosphorus, total [as P]MX WK AV <= 1.6 lb/d all year
002Phosphorus, total [as P]CUM TOTL report only all year
002Hardness, total [as CaCO3]MO AVG report only all year
002Hardness, total [as CaCO3]MO AVG report only all year
002Chloride [as Cl]MO AVG report only all year
002Chloride [as Cl]MO AVG report only all year
002Fluoride, total [as F]MX MO AV <= 4.15 mg/L all year
002Fluoride, total [as F]MX MO AV <= 15 lb/d all year
002Cadmium, total recoverableMO AVG report only all year
002Cadmium, total recoverableMO AVG report only all year
002Lead, total recoverableMO AVG report only all year
002Lead, total recoverableMO AVG report only all year
002Phosphate, ortho [as P]MO AVG report only all year
002Phosphate, ortho [as P]MO AVG report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualMAXIMUM <= .1 mg/L all year
002Flow, totalTOTAL 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