Secs. 36-186. Amendment to certain sections of sewer use ordinance for users in Kit Creek Pump Station Service Area.

   (a)   At present, the Triangle Wastewater Treatment Plant ("TWWTP'), owned and operated by Durham County treats wastewater that flows to the Kit Creek Pump Station ("KCPS") pursuant to an interlocal agreement. The interlocal agreement imposes certain requirements on the town to ensure that the TWWTP meets its requirements under its NPDES permit and state and federal laws and regulations. To ensure that the town complies with its obligations under the interlocal agreement and any permits, approvals or limits issued thereunder, the following additional uniform requirements apply to users of the wastewater collection and treatment system of the town discharging wastewater to the KCPS and who are located in the KCPS Service Area. Such KCPS Service Area is delineated on Figure 1.

   (b)   Industrial Waste survey and local limits. In addition to the requirements contained in Sec. 36-173(5), users in the KCPS Service Area are subject to the following additional local limits that are more restrictive than those prescribed in Sec. 36-173(5):

Limits (mg/l)	Pollutant
250	BOD
0.000142	Mercury, total
0.003	Arsenic, total
0.003	Cadmium, total
0.061	Copper, total
0.021	Nickel, total
0.005	Silver, total

 

   (c)   Prohibited discharge standards. In addition to the requirements of Sec. 36-173(2), no users in the KCPS Service Area shall discharge wastewater into the POTW that contains, or has the characteristics of, the following:

   1.   Any wastewater having a pH less than 5.0 or more than 9.5 or wastewater having any other corrosive property capable of causing damage to the POTW, or equipment, unless permitted to do so.

   2.   Any wastewater containing mercury in concentrations greater than 142 ng/L as measured by EPA test method 1631 and sampled by EPA method 1669.

   (d)   Surcharges. In addition to the requirements of Sec. 36-174(c) all industrial users in the Kit Creek Pump Station Service Area are subject to industrial waste surcharges on all discharges that exceed the following levels or as specified in the Durham County Sewer Use Ordinance, whichever is more stringent:

 

Parameter	Levels (mg/L)
BOD	>250
TSS	>180
Total Phosphorus	>5
TKN	>40

 

   (e)   All requirements of the town sewer use ordinance that are not amended by this Section 36-186 apply to users located in the KCPS Service Area.

Kit Creek Pump Station Service Area Figure 1

(Ord. No. 2009-Code-04, 3-12-2009; Ord. No. 2009-Code-10, 8-13-2009; Ord. No. 2011-Code-09, 12-15-2011)