Appendix I Performance of the CETPs—OEPL, GVMM and Narol in Ahmedabad

	OEPL						GV MM						Narol
	BOD			COD			BOD			COD			BOD			COD
Date	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction
Standard	1200	30	-	3000	250	-	-	30		-	250	-	700	30	-	2000	250
Mar-17	1047	257	75%	2836	837	70%	294	48	83.7%	846	120	85.8%	-	-	-	-	-	-
Feb-17	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jan-17	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Dec-16	296	104	65%	944	370	61%	103	71	31.1%	276	231	16.3%	1852	48	97.4%	5147	165	96.8%
Nov-16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Oct-16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Sep-16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Aug-16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jul-16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jun-16	2438	71	97%	6303	296	95%	55	100	-81.8%	161	296	-83.9%	369	38	89.7%	1287	113	91.2%
May-16	196	99	49%	694	417	40%	165	26	84.2%	525	97	81.5%	-	-	-	-	-	-
Apr-16	303	94	69%	795	370	53%	82	41	50.0%	337	152	54.9%	-	-	-	-	-	-
Mar-16	1454	60	96%	9238	350	96%	126	44	65.1%	420	248	41.0%	406	69	83.0%	1635	295	82.0%
Feb-16	366	82	78%	1124	345	69%	344	28	91.9%	908	104	88.5%	-	-	-	-	-	-
Jan-16	288	64	78%	1076	341	68%	117	41	65.0%	453	172	62.0%	1300	176	86.5%	4645	467	89.9%
Dec-15	508	82	84%	1326	323	76%	389	24	93.8%	1355	100	92.6%	939	44	95.3%	3586	194	94.6%
Nov-15	62	15	76%	168	60	64%	360	14	96.1%	1098	78	92.9%	1513	350	76.9%	5389	1170	78.3%
Oct-15	506	110	78%	1759	538	69%	699	47	93.3%	1807	222	87.7%	922	253	72.6%	3450	578	83.2%
Sep-15	3025	59	98%	12771	334	97%	-	-	-	-	-	-	196	44	77.6%	980	210	78.6%
Aug-15	173	58	66%	628	372	41%	157	15	90.4%	392	114	70.9%	487	303	37.8%	2084	1614	22.6%
Jul-15	99	53	46%	771	362	53%	258	36	86.0%	744	70	90.6%	523	107	79.5%	2504	354	85.9%
Jun-15	345	55	84%	1542	352	77%	185	37	80.0%	768	107	86.1%	599	415	30.7%	1471	1307	11.1%
May-15	234	64	73%	845	378	55%	176	38	78.4%	482	157	67.4%	822	177	78.5%	2864	499	82.6%
Apr-15	388	53	86%	1407	357	75%	221	20	91.0%	694	87	87.5%	534	44	91.8%	2434	205	91.6%
Mar-15	816	72	91%	2067	260	87%	187	18	90.4%	399	124	68.9%	577	11	98.1%	1771	91	94.9%

Feb-15	240	88	63%	636	230	64%	218	65	70.2%	498	258	48.2%	-	-	-	-	-	-
Jan-15	619	37	94%	2501	206	92%	259	23	91.1%	703	103	85.3%	-	-	-	-	-	-
Dec-14	201	113	44%	570	296	48%	244	124	49.2%	796	397	50.1%	-	-	-	-	-	-
Nov-14	179	153	15%	433	455	-5%	87	93	-6.9%	293	313	-6.8%	-	-	-	-	-	-
Oct-14	166	109	34%	641	338	47%	552	40	92.8%	1448	140	90.3%	274	17	93.8%	818	65	92.1%
Sep-14	3500	57	98%	20311	265	99%	567	62	89.1%	3150	183	94.2%	450	120	73.3%	1844	406	78.0%
Aug-14	190	70	63%	668	362	46%	200	30	85.0%	539	164	69.6%	1100	140	87.3%	3645	750	79.4%
Jul-14	160	50	69%	644	240	63%	100	14	86.0%	359	57	84.1%	833	50	94.0%	2445	276	88.7%
Jun-14	-	-	-	-	-	-	103	91	11.7%	374	352	5.9%	-	-	-	-	-	-
May-14	-	-	-	-	-	-	-	-	-	-	-	-	317	271	14.5%	1263	1202	4.8%
Apr-14	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mar-14	400	110	73%	1601	548	66%	-	-	-	-	-	-	-	-	-	-	-	-
Feb-14							80	23	71.3%	333	133	60.1%
Jan-14	900	95	89%	2739	363	87%	220	70	68.2%	771	230	70.2%	1200	600	50.0%	3786	1730	54.3%
Dec-13	250	70	72%	886	287	68%	225	80	64%	664	303	54.4%	962	68	92.9%	2805	199	92.9%
Nov-13	303	70	77%	915	272	70%	-	-	-	-	-	-
Oct-13	-	-	-	-	-	-	-	-	-	-	-	-	1400	329	76.5%	4016	1100	72.6%
Sep-13	180	110	39%	575	417	27%	-	-	-	-	-	-	-	-	-	-	-	-
Aug-13	-	-	-	-	-	-	270	63	77%	699	180	74.2%	-	-	-	-	-	-
Jul-13	-	-	-	-	-	-	314	33	89%	1225	118	90.4%	115	244	-112.2%	487	921	-89.1%
Jun-13	525	48	91%	1793	183	90%	70	22	69%	259	81	68.7%	867	25	97.1%	2739	81	97.0%
May-13	417	120	71%	1401	338	76%	190	210	-11%	567	653	-15.2%	480	53	89.0%	1673	189	88.7%
Apr-13	73	120	-64%	249	449	-80%	470	46	90%	1632	175	89.3%	-	-	-	-	-	-
Mar-13	1275	56	96%	4552	213	95%	205	87	58%	696	232	66.7%	-	-	-	-	-	-
Feb-13	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jan-13	675	89	87%	2104	254	88%	1100	205	81%	3936	672	82.9%	-	-	-	-	-	-
Dec-12	600	77	87%	1951	265	86%	-	-	-	-	-	-	-	-	-	-	-	-
Nov-12	220	433	-97%	602	1369	-127%	-	-	-	-	-	-	763	200	73.8%	2219	665	70.0%
Oct-12	442	120	73%	1258	347	72%	275	48	83%	832	163	80.4%	580	250	56.9%	1601	829	48.2%
Sep-12	195	110	44%	611	561	8%	165	58	65%	526	151	71.3%	725	388	46.5%	1824	984	46.1%
Aug-12	450	105	77%	1299	326	75%	650	40	94%	1870	128	93.2%	533	411	22.9%	1261	903	28.4%
Jul-12	480	118	75%	1525	484	68%	-	-	-	-	-	-	775	520	32.9%	2159	1613	25.3%
Jun-12	240	145	40%	550	518	6%	314	83	74%	1193	304	74.5%	467	205	56.1%	1429	662	53.7%

(Continued)

Performance of the CETPs—OEPL, GVMM and Narol in Ahmedabad (Continued)

	OEPL						G VMM						Narol
	BOD			COD			BOD			COD			BOD			COD
Date	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction	Inlet	Outlet	Reduction
Standard	1200	30	-	3000	250	-	-	30		-	250	-	700	30	-	2000	250
May-12	-	-	-	-	-	-	480	225	53%	1703	740	56.5%	130	329	-153.1%	498	1145	-129.9%
Apr-12	510	105	79%	1506	484	68%	834	850	-2%	2663	2835	-6.5%	-	-	-	-	-	-
Mar-12	450	75	83%	1297	384	70%	575	125	78%	2012	391	80.6%	280	317	-13.2%	673	843	-25.3%
Feb-12	-	-	-	-	-	-	557	100	82%	1202	3.6	99.7%	590	105	82.2%	1726	427	75.3%
Jan-12	-	-	-	-	-	-	950	983	-3%	2962	2934	0.9%	-	-	-	-	-	-
Dec-11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Nov-11	-	-	-	-	-	-	415	407	2%	1138	1192	-4.7%	580	1325	-128.4%	1738	3928	-126.0%
Oct-11	967	93	90%	2687	493	82%	738	1350	-83%	1957	3800	-94.2%	-	-	-	-	-	-
Sep-11	245	125	49%	717	365	49%	1650	1500	9%	3457	3513	-1.6%	125	104	16.8%	266	158	40.6%
Aug-11	290	118	59%	761	350	54%	1400	1300	7%	3899	3077	21.1%	1000	725	27.5%	3007	2134	29.0%
Jul-11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jun-11	180	47	74%	600	266	56%	825	1317	-60%	3653	2576	29.5%	-	-	-	-	-	-
May-11	275	80	71%	1826	270	85%	-	-	-	-	-	-	625	98	84.3%	2137	392	81.7%
Apr-11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Average	566.82	95.36	66%	2134.06	377.2	59%	384.4	208.3	0.6	1193.5	580.6	0.6	642	331	26.2%	1897.1	994.9	28.1%

Source: Unpublished data from GPCB.