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HomeMy WebLinkAboutStaff Report 1.A 03/11/2013t Ij o 5 N,*4 vh(, ............. pi pi pi pi pi AW c A, .......... ........ ........ Wixom ft,M M I a 0 11 � �Po V � li Y iN w 11 I V , i V xw I �qM w s^ : II 0 I I ill /ill �"�N ,�` I j� w.w'w'w•, ~�'��tar M A I I V 1 1 a ,re Vro fir", 04, ...... 11 / v ,' v nm p .. 4v 1 1 y dV V V Weu X 1 \ 1 1 1,1 II �IW P 1; ii HV VV�ii 1 ilia M s. ..e.� . gA amimimmu:m" .. 1 m \ 1 ➢y; m � wm m ax r \1 r\rvomiw V! doh'ak � N m+`"WPXNM�F M ' 1, \ I 1( (I lulu 1 1 IIV dl 1 1 � b y N 1 n ' 1 I 1 \ i 1 I d l It I 1 ( ( W tl I 1 t I XI Y .i I m.'a �wr#exgabe§' r §- d JULY Iwo Y S - -him Y s s TaM MAN t ........ ....mm M. 11 � I n�11 m 1 1 '( 1\\J yyyn', 1 u \'i \\I11\ y Y i X t ••:i: 1 Y IV� ^ iiY c 1 0 Im !-J� a MAL c I MON rm m �© \ \\\� �� � � � / � . \� \� � � m W mM M x° I w 1 4w t - •- �, WN t F afii�N'^N.P'44 l I I p d . V p i 1 II Y,I q r� „ 1 t 'z a I P 1 1 I 1 I 1 x " r XP 1 aA M V � .......... wm I "0 2.2 FACILITY DESIGN CRITERIA The overall plant is rated at 8 mgd on area nual average basis. The general plant design criteria is listed in Table 2. 1. Specific design criteria for each process are listed in each individual chapter. Table 2.1 Overall Facility Design Criteria Ellis Creek Water Recycling Facility City of Petaluma, CA Description I Units Average dry weather flow Average annual flow Maximum month flow Peak wet weather flow (hour) Tertiary capacity 6.7 ON ivio 36 5.2 I MIT The City's existing NPDES permit (No- CA 0037810) was adopted in 200,5 by the San Francisco Bay Regional Water Quality Control Board. Treated effluent from the new facility must meet the NPDES permit requirements when discharging to the Petaluma River, October 21 st to April 30th. The existing permit requirements are shown in Table 1 - 1. A complete copy of the permit is provided in Appendix A. From May I st to October 20th, the City is prohibited from discharging treated effluent into the Petaluma River- During this period, the City must store and reuse or recycle all of its effluent. Table 1.1 NPDES Permit Requirements Ellis Creek Water Recycling Facility City of Petaluma, CA Monthly I Weekly-- it Instantaneous Constituent Units Average Average Maximum Maximum Biochemical mg/L 30 45 Oxygen, Demand B D�,, 209C) 0 tl Total Suspended rng/L 30 45 --- Solids (TSS) Oil & Grease mg/L 10 20 Chlorin e R esidu a 1 0.0 Y.. w N M^ I Y r k Service Conditions: Wastewater Characteristics for Two Oxidation Ditches @ Design Flow and Loads: Design Wastewater Characteristics Average Day Average Max. Month Peak Wet Annual eater Plant Influent Flow Rate M 12 36 Oxidation Ditch Influent Flow Rate 3.' t ok'k ' .', ' BODE Loading Rate d 18,600 17,700 TSS Loading Rate d) 190920 21,100 Ammonia Loading Rate d , o0 3,200 Marc Up Flog Rate (per ditch) k Notes. . Includes Recycle Flows, 2. Assumes a portion of the Plant Influent Flow will be bypassed and sent directly to the Rands after preliminary treatment. 3. The Oxidation Ditches shall have capacity to operate in " torrnf o ode' during Peak Wet Weather conditions. . Ellis Creek Witter Recycling Facility 'Monthly Average Flow J6 m N 741 700� Ellis Creek Water Recycling Facility Monthly Avenagre B()D 1-mading " SN 111� SN NIL AV, .. ........ .. ......... as . .. . . . Single Family, $10.29 per $16.19 per Fixed month month SFU, Flow $4.32 per HCF $7.67 per HCF Charge Industrial, Flow Charge Industrial, BOD Load Industrial, TSS Load $3.20 per HCF $5.69 per HCF ............... Flow $23.43 per gallons per day (gpd) BOD $2,324.84 per pound per day (ppd) TSS $2,665.82 ppd I re IMMEK ME $67,485.45 $55,141.84 $71,197.00 $48,096.00 $14,700.00 $43,277.98 $28,224.00 $7,166.007 $7,166.007 $8,364.00 $4,809.60 $7,000.00 $9,960.80 $6,496.00 $112,475.75 $91,903.00 $60,724.00 $80,160.00 $25,150.00 $100,521.54 $58,688.00 $50,630.68 $41,378.61 $84,286.00 $72,144.00 $17,480.00 $66,502.80 $29,120.00 $226,232.14 $205,110.09 $262,310.00 $198,850.94 $293,898.81 $371,325.41 $44,165.71 $43,080.67 $65,960.00 $36,540.83 $54,115.00 $61,045.90 01 . ........... .................... .................... .................... .................... .................... al II 1 . . . . . . . . . . . . . . . . . . . II mob P, 'A'Mu :lOT°° #lolls, i zwV �O w "' A, i ri ��,M .x i; ��, I -A aim in Im OF ry as V" •����u� M� d .�1 A IY IIC IXVu i Y1 \ W'��'�'1\ A-1., \\\ 1\1 � !111 1 NV1j I�'W M V '���� h d p �°\\1 lo VIIQ MAN 'NV?Y N� OVV N'AD aM 'ii \�1111 { VI 1 i Im d, 4 is AS, allow' illillio I 111 111, dNM IN ...................... ... .... .. .. II V 'o W OMN m Im !-J� a MAL c I MON rm MEE m �© \ \\\� �� � � � / � . \� \� � � m E i m m l I I p d . V p i 1 II Y,I q r� „ 1 t 'z a I P 1 1 I 1 I 1 x " r XP 1 aA M V � 1 i yy f w, p, � s p uu I v i i •,'. i u m(' 1 1 e XwW I ...... .. .. p 6 6 2.2 FACILITY DESIGN CRITERIA The overall plant is rated at 8 mgd on an annual average basis. The general plant design criteria is listed in Table 2. 11. Specific design criteria for each process are listed in each individual chapter. Table 2.1 Overall Facility Design Criteria Ellis Creek Water Recycling Facility City of Petaluma, CA Description Units Value Liquid Process Average dry weather flow MGD 6.„',(°.'7 Average annual flow M6D 8.0 Maximum month flow MGD 12 Peak wet weather flow (hour) MGD 36 Tertiary capacity MGD 5.2 The City's existing NPDES permit (No. CA 0037810) was adopted in 2005 by the San Francisco Bay Regional Water Quality Control Board- Treated effluent from the new facility must meet the NPDES permit requirements when discharging to the Petaluma River, October 21 st to April 30th. The existing permit requirements are shown in Table 1 - 1. A complete copy of the permit is provided in Appendix A. From May 1st to October 20th, the City is prohibited from discharging treated effluent into the Petaluma River. During this period, the City must store and reuse or recycle all of its effluent. Table I A NPDES Permit Requirements Ellis Creek Water Recycling Facility it of Petaluma, CA Monthly Weekly it Constituent its Average Average Maximum Biochemical mg/L 30 45 --- 6611"0 mg/L 3 0 45 --- mg/L 10 20 mg/L --- Instantaneous Maximum WU# 12 . . . . . . . . . . . . . . . . . . . G� I'll Ellis Creek 11"CIter Recycling Facility Montlih -Xverage Flaw _—At- ry C. �AN SN M'7d 0 m I aOIJCI t , 0 ") 100 'j im ko, Ap, Ellis Creek Water Recycling Facility 'Monthly Avenage B(A) Loading N111� y < -x xp '•dDll Loa 35 n g (PII o"Id ay -7DP'10 C, at a c 1�"- .. ........ .. ......... as . .. . . . Single Family, $10.29 per $16.19 per Fixed month month SFU, Flow $4.32 per HCF $7.67 per HCF Charge Industrial, Flow Charge Industrial, BOD Load Industrial, TSS Load $3.20 per HCF $5.69 per HCF ............... Flow $23.43 per gallons per day (gpd) BOD $2,324.84 per pound per day (ppd) TSS $2,665.82 ppd I re IMMEK ME $67,485.45 $55,141.84 $71,197.00 $48,096.00 $14,700.00 $43,277.98 $28,224.00 $7,166.007 $7,166.007 $8,364.00 $4,809.60 $7,000.00 $9,960.80 $6,496.00 $112,475.75 $91,903.00 $60,724.00 $80,160.00 $25,150.00 $100,521.54 $58,688.00 $50,630.68 $41,378.61 $84,286.00 $72,144.00 $17,480.00 $66,502.80 $29,120.00 $226,232.14 $205,110.09 $262,310.00 $198,850.94 $293,898.81 $371,325.41 $44,165.71 $43,080.67 $65,960.00 $36,540.83 $54,115.00 $61,045.90 01 . ........... .................... .................... .................... .................... .................... al II 1 . . . . . . . . . . . . . . . . . . . II mob P, 'A'Mu :lOT°° #lolls, i zwV �O w "' A, i ri ��,M .x i; ��, E-1 in Im ... ....... 0 Ma M:uw mwr IM � X\ N �ww.•� V.,''�.+ '� ::dF"�u ��' :., ,,' „,*l+ � �.. and ...� .v r 0