O-2016-3150 - 1/28/2016 1 ORDINANCE NO. 0-2016-3150
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4 AN ORDINANCE AMENDING CHAPTER 44, SECTION 44-149, CODE
5 OF ORDINANCES (2010 EDITION), CITY OF ROUND ROCK, TEXAS,
6 REGARDING WASTEWATER DISCHARGE SURCHARGES; AND
7 PROVIDING FOR A SAVINGS CLAUSE AND REPEALING
8 CONFLICTING ORDINANCES AND RESOLUTIONS.
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10 BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF ROUND ROCK,
11 TEXAS:
12 I.
13 That Chapter 44, Section 44-149, subsection (d)(2), Code of Ordinances (2010
14 Edition), City of Round Rock, Texas, is hereby amended to read as follows:
15 Sec.44-149. -Wastewater discharge permit applications and surcharge.
16 (2) Computation of surcharge. The city shall sample for both TSS and either BOD or COD.
17 Computations of surcharges shall be based on the formulas below and for those concentrations that
18 exceed the levels set forth in subsection (d)(1) of this section, the surcharge shall be applied to that
19 excess. The surcharges for individual TSS and BOD/COD are additive.
r BOD surcharge SBOD =V x 8.34(A[BOD-250])
TSS surcharge STSS=V x 8.34 (B[TSS-250]) �)
COD surcharge SCOD =V x 8.34 (C[COD-450])
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21 where:
S - Sum of surcharges in dollars that will appear on the user's monthly bill.
V - Monthly average volume of nondomestic discharge in millions of gallons whichever is the
least of the following volumes: (1)total monthly water consumption during the billing
period, (2) the average water consumption for the billing periods of December, January,
and February of each fiscal year, or; (3)the total estimated or measured nondomestic
discharge as determined by methods specified in the user's permit.
0112.1604;00349043
8.34 - Conversion factor for units of measure in surcharge equations.
A - $9980.477 per pound of BOD
B - $90.477 per pound of TSS
C - $90.477 per pound of COD
BOD - Biological Oxygen Demand concentration in mg/I. For more than one nondomestic
discharge, this shall be the flow-weighted concentration.
TSS - tTotal ssuspended sSolids concentration mg/l. For more than on nondomestic discharge,
this shall be the flow-weighted concentration.
COD - Chemical Oxygen Demand concentration in mg/I. For more than one nondomestic
discharge, this shall be the flow-weighted concentration.
250 - 4+Normal daily average domestic BOD and TSS concentration in mg/l.
450 - sNormal daily average domestic COD in mg/I.
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2 II.
3 A. All ordinances, parts of ordinances, or resolutions in conflict herewith are
4 expressly repealed.
5 B. The invalidity of any section or provision of this ordinance shall not
6 invalidate other sections or provisions thereof.
7 C. The City Council hereby finds and declares that written notice of the date,
8 hour, place and subject of the meeting at which this Ordinance was adopted was posted
9 and that such meeting was open to the public as required by law at all times during
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1 which this Ordinance and the subject matter hereof were discussed, considered and
2 formally acted upon, all as required by the Open Meetings Act, Chapter 551, Texas
3 Government Code, as amended.
4 READ and APPROVED on first reading this the I ' day of
5 94VIV , 2016.
6 READ, APPROVED and ADOPTED on second reading this the qday of
7 2016.
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10 ALAN MCGRAW, Mayor
11 City of Round Rock, Texas
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14 ATTEST:
15 CX\ �!' r�/ ✓ ' V\ /
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17 SARA L. WHITE, City Clerk
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