Discharge Limitations

Field’s Point WWTF

PARAMETERLIMITATION (MAX)
Total Toxic Organics2.13
Biochemical Oxygen Demand (BOD)300
Total Suspended Solids (TSS)300
Total Oil & Grease (fats, oils & grease)125
Total Nitrogen115***
Ammonia50***
pH range (at all times)5.0 – 11.0 s.u.
Arsenic (Total)0.02*
Cadmium (Total)0.11
Chromium (Total)2.77
Copper (Total)1.20
Cyanide (Total)0.58**
Lead (total)0.60
Mercury (Total)0.005
Nickel (Total)1.62
Silver (Total)0.43
Zinc (Total)2.61
INDUSTRIAL USER CATEGORYPARAMETER(S)LIMITATION (LBS/1000 GAL)
14BOD & TSS5
23, 29BOD & TSS20
25,28,34,36BOD & TSS10
33BOD & TSS75
33Total Nitrogen10***
33Ammonia2***

Bucklin Point WWTF

PARAMETERLIMITATION (MAX)
Total Toxic Organics2.13
Biochemical Oxygen Demand (BOD)300
Total Suspended Solids (TSS)300
Total Oil & Grease (fats, oils & grease)125
Total Nitrogen115***
Ammonia50***
pH range (at all times)5.0 – 11.0 s.u.
Arsenic (Total)0.03
Cadmium (Total)0.11
Chromium (Total)2.77
Copper (Total)1.20
Cyanide (Total)0.50**
Lead (total)0.69
Mercury (Total)0.06
Nickel (Total)1.62**
Silver (Total)0.40
Zinc (Total)1.67
INDUSTRIAL USER CATEGORYPARAMETER(S)LIMITATION (LBS/1000 GAL)
14BOD & TSS5
23,29BOD & TSS20
25,28,34,36BOD & TSS10
32BOD570
32TSS10
33BOD & TSS75
33Total Nitrogen10***
33Ammonia2***
INDUSTRIAL USER CATEGORYPARAMETER(S)LIMITATION (LBS/DAY)
32Total Nitrogen300***
32Ammonia300***

For a downloadable version of NBC’s discharge limitations, click here.

* The Arsenic Limitation in Field’s Point applies to all Industrial Users except the landfill which must meet 0.4 mg/l.

** The Cyanide Limitations for each district apply only to Industrial Users in categories 11 and 15. All other users in both districts must meet 0.4 mg/l. The Nickel Limitation for Bucklin Point only applies to Industrial Users in categories 11 and 15. All other users in Bucklin Point must meet 0.5 mg/l for nickel.

*** Total Nitrogen and Ammonia Limitations in both districts are seasonal from May 1 though October 31.

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