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B - 10:15-10:30

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Wastewater Treatment Standards for ConventionalSystems

Operating Permit Requirements for CommercialWastewater Treatment Systems and I/M Zones.

Annual Operating Permit System Inspections

Maintenance Entities

System Maintenance Requirements

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Conventional system treatment in I/M andCommercial Wastewater Situations: Levels of treatment that can be achieved by a

conventional baseline system.

What can and cannot be permitted by the DOH to

use a conventional baseline system for wastewatertreatment.

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Conventional system treatment in I/M andCommercial Wastewater Situations :

What can and cannot be permitted by the DOH touse a conventional baseline system for wastewatertreatment.

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POLLUTANTBASELINESYSTEM

STANDARDSSeptic tank

effluent

BASELINESYSTEM

STANDARDS@ baseof 24inchunsaturatedzone

AEROBICTREATMENT

UNIT(effluent)

SECONDARYTREATMENTSTANDARDS

(effluent)

ADVANCEDSECONDARYTREATMENTSTANDARDS

(effluent)

ADVANCEDWASTEWATERTREATMENTSTANDARDS

(effluent)

CBOD5(Carbonaceous Biochemical

Oxygen Demand)

120-240mg/l

< 5mg/l

=or< 25mg/l

=or< 20mg/l

=or< 10mg/l

=or< 5mg/l

TSS(TotalSuspended Solids)

65-176mg/l

< 5mg/l

=or< 30mg/l

=or< 20mg/l

=or< 10mg/l

=or< 5mg/l

TN(TotalNitrogen)

36-45mg/l

15-25mg/l

notapplicable

notapplicable

=or< 20mg/l

=or< 3mg/l

TP(TotalPhosphorus)

6-10mg/l

< 5mg/l

notapplicable

notapplicable

=or