Site 335

Lady Bird Lake at 2.5 mile marker

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Date	Time	Air Temp (C)	Water Temp (C)	Flow	pH	Nitrates-N (mg/L)	DO Avg (mg/L)	DO % Sat	Cond (µS/cm)	Days Since Rain	Field Rain Gauge (in.)	Secchi (M)	Transparency (M)	E.coli (cfu's)
09/30/2021	17:40	27	26.4		7	< 1	6.5	79.82	470	1	6	> 1		1700
08/31/2021	07:05	24	26.9		6.9	< 1	4.45	55.09	480	4		< 1		750
07/31/2021	14:27	29	27.5		6.9	< 1	6.25	78.12	550	5	0	> 1		900
06/30/2021	19:23	16.5	13		7	< 1	7	67.2	530	1	1	> 1
05/31/2021	16:38	26.6	25.9		6.9	< 1	7.2	87.7	480	0	4.5	< 1		550
03/30/2021	19:02	18	20.5		7	< 1	7.3	81.03	460	0	9	1		1050
03/29/2021	12:05	20.5	19.4		6.9	1	7.7	83.78	520	3	1.5	> 1		250
02/28/2021	13:28	21.5	15		7	< 1			570	1	1.5	> 1		450
01/31/2021	16:45	18.5	15			< 1				4	0	> .4		100
12/29/2020	06:15	19.5	16		7	< 1	7.8	79.56		2	1	> 1
12/03/2020	16:00	13	13.5	3	7.5	< 1	8.8	85.36	500	4	0		> 0.5
11/30/2020	17:05	9	13		7	< 1	7.15	68.64		2	4	> 1
07/26/2020	17:50	26	25.5		7	< 1	5.55	67.16	470	0	1.5	> 1
06/30/2020	08:07	25	22.5		7	1	5.5	63.25	480	2	3	> 1
04/30/2020	07:50	14.5	18		7	< 1	6.9	73.14	520	1	3	> 1
02/29/2020	14:50	21.5	18.5		7	< 1	9.25	98.98	550	4	0	> .6		100
01/26/2020	14:15	21.5	14.8		7.6	< 1	6.6	65.74	460	1	3
12/14/2019	09:10	10.5	13		7	< 1	8.1	77.76	470	3	0.5			900
11/27/2019	14:27	13.5	14	1	7	< 1	7.35	72.03	410	2				50
08/01/2018	08:55	28	26	2	7.05	< 1	4.93	60.15	450	22	0		> 1.22
03/02/2017	17:00	16	16	3	7.33	< 2	7.4	75.48	440	10	0		0.72
12/01/2016	17:00	19	17.5	3	7.7	< 2	6.5	68.25	460	9	0		0.81
09/29/2016	16:52	26.5	25	3	6.76	< 2	5.55	66.6	540	3	1.22		0.92
06/20/2016	10:35	28	26	3	8.03	< 1	3.8	46.36	440	16	0		0.8
11/24/2015	15:35	19	15	3	7.01	< 2	6.1	61	720	7	0		> 0.6
10/20/2015	16:30	38	23	3	7.14	< 1	6.1	70.76	550	25	0		0.77
09/22/2015	16:45	33	28	3	7.93	< 1	7.15	90.09	570	9	0		> 1.22
06/08/2015	11:02	29	28	3	7.49	< 1	8.8	110.88	640	15	0
10/14/2014	16:34	26	24	3	7.9	< 1	8	94.4	580	3	1.52		0.66
09/02/2014	16:44	34.5	28.5	5	7.82	< 1	4.3	54.61	520	30	0		1.03
06/23/2014	09:27	27	27	3	7.76	< 1	4.6	57.04	580	10	0		> 1.22
05/07/2014	17:10	28	25	3	7.81	< 2	6	72	560	23	0		0.82
01/14/2014	16:37	23	15	3	7.9	< 2	7.55	75.5	540	6	0		0.66
09/10/2013	16:28	28	29	3	7.8	< 1	6.75	86.4	540	6	0.09		0.96
06/12/2013	11:30	30	28	3	7.83	< 1	6.05	76.23	530	3	0.18		> 1.22
05/07/2013	16:35	28.5	22	3	8.08	< 1	8.25	94.05	530	1	0.38
04/02/2013	16:20	20	22	3	8.07	< 1	6.95	79.23	540	13	0.02		> 1.22
03/05/2013	17:22	18	16	3	8.04	< 1	9.45	96.39	590	23	0		> 1.22
03/05/2013	16:38	19.5	16	3	8.14	< 1	8.65	88.23	570	23	0		> 1.22
02/05/2013	16:31	23	19	3	7.88	< 1	8.65	93.42	600	27	0		> 1.22
12/05/2012	17:03	19	22	3	7.59	< 1	9.7	110.58	540	30	0		1.1
12/04/2012	16:32	23	19	3	7.9	< 1	7.9	85.32	540	30	0		> 1.22
11/20/2012	16:35	24	21	3	7.16	1	8.15	91.28	530	25	0		> 1.22
10/29/2012	17:00	21	20	3	7.9	< 1	4.3	47.3	550	14	0		> 1.22
10/02/2012	16:45	26	25	2	6.89	< 1	7.8	93.6	610	3	1.5		> 0.95
09/11/2012	16:34	32	29	5	7.47	1	4.9	62.72	510	25	0		> 1.22
08/06/2012	09:38	20	25	3	7.16	< 1	5.2	62.4	510	21	0		> 1.22
05/01/2012	16:40	24.5	25	3	8.16	< 1	6.95	83.4	550	28	0		> 1.22
03/27/2012	16:40	27	23	2	7.14	< 1	7.1	82.36	620	7	0		1.03
03/06/2012	16:35	21	18	3	7.3	< 2	5.1	54.06	590	17	0		0.96
02/07/2012	16:55	18	18	3	7.08	< 1			650	4	0		1.07
01/18/2012	16:55	19.5	14	3		< 1	10	98	560	9	0.01		> 1.22
01/10/2012	16:45	16	14	2	7.34	< 1			530	2	0.6		0.95
11/02/2011	17:10	29	22	3	7.92	1	7.5	85.5	500	25	0		1.13
11/01/2011	16:40	27	22	3	7.98	< 1	7.2	82.08	460	23	0		> 1.22
10/25/2011	16:50	29	24	3	8.17	< 1	6.8	80.24	470	13	0
10/04/2011	16:35	29	25	3	7.94	< 1	6.25	75	470	30	0		0.94
09/27/2011	17:09	31	23.5	3	7.59	< 1	7.2	84.24	510	30	0		0.51
09/23/2011	10:05	23	26	2	7.83	< 1	6.45	78.69	470	30	0		1.09
09/23/2011	10:06	23	25	2	8	< 1	5.45	65.4	480	30	0		1.08
09/09/2011	16:35	32	27	3	7.66	< 1	6.5	80.6	460	30	0		> 1.22
06/30/2011	16:50	36	30	3		< 1	6.5	84.5	450	30	0		> 1.22
05/03/2011	16:27	23	19	2	8.3	< 1	7.35	79.38	450	29	0.05		0.81
04/11/2011	16:48	26.5	20	2	8.27	< 1	7.15	78.65	430	7	0.01		> 1.22
04/05/2011	16:26	20	15	3	8.23	< 1	7.7	77	450	1	0.15		0.805
04/01/2011	16:10	34	21	3	7.8	< 1	7.8	87.36	480	21	0		0.62
03/22/2011	16:35	26	21	3	8	< 1	5.25	58.8	500	26	0		0.9
02/08/2011	17:00	14	12	3	7.33	< 1	7.1	66.74	530	5	0		> 1.22
01/18/2011	16:34	18	14	2	7.67	< 1	9.35	91.63	540	2	1		> 1.22
11/30/2010	16:34	17.5	15.5	3	7.57	< 1	8.15	82.32	520	26	0		> 1.22
11/16/2010	16:30	22.5	24.5	2	7.56	< 1	7.8	92.82	540	12	0.05		1.16
10/26/2010	16:50	27	24	3	7.42	< 1	7.15	84.37	610	30	0		1.03
10/12/2010	16:31	27	24	3	7.76	< 1	6.72	79.3	500	18	0.05		> 1.22
09/29/2010	17:05	33.1	25	3	7.9	< 1	8	96	510	5	0		0.69
06/29/2010	09:40	32	27	2	7.76	< 1	5.95	73.78	450	11	0		0.53
06/22/2010	09:42	27.5	22.5	2	7.63	< 1	7.1	81.65	460	7	0		1.1
06/15/2010	09:30	29	23.5	2	7.75	< 1			490	6	0		> 1.22
05/04/2010	16:30	30	21	3	7.33	< 1	8.1	90.72	550	10
04/24/2010	10:35	22	16	3	7.71	< 1	9		470	0	0.1		0.96
04/07/2010	16:55	25	19	2	7.56	< 1	8.6	92.88	540	14			> 1.22
03/09/2010	16:43	16	19	1		< 1	8.1	87.48		7	0.04		1.068
02/09/2010	16:30	11	12	3	7.35	< 1	9.1	85.54	580	1	0.33		> 1.22
01/26/2010	16:26	12	16	5	7.54	< 1	9.1	92.82	710	11	0		> 1.22
11/17/2009	16:33	19	19	3	7.35	< 1	7.1	76.68	640	9	0.04		1.075
10/30/2009	16:30	22	20	3	7.4	< 1	7.4	81.4	570	1	0.25		> 1.22
10/14/2009	17:00	32	24	3	7.22	< 1	5.8	68.44	300	5	0.1		0.485
09/29/2009	16:33	25	25	3	7.99	< 1	7.3	87.6	610	1			66.2
09/15/2009	16:33	26	27	3	7.82	< 1	5.8	71.92	480	3	3		0.81
09/15/2009	17:15	27.5	26	2	7.82	< 1	5.65	68.93	470	4	0.5		0.394
07/14/2009	10:19	28	26	3	8.06	< 1	6.4		360	15	0		> 1.22
06/23/2009	10:30	25.1	25	3	8.01	< 1	6.15	73.8	460	15	0		1.1
06/15/2009	09:30	28	25	3	7.96	< 1	6.45	77.4	490	4	1.75		> 1.22
06/09/2009	10:00	26.5	23	3	7.3	< 1	5.9	68.44	470	31	0		> 1.22
04/23/2009	17:00	27	23	3	8.34	< 1			450	6	0		1.02
02/09/2009	17:00	21	17	3	8.43	< 1	8.3	86.32	470	0	0.3		> 1.22
01/13/2009	16:45	15	13	3	8.22	< 1	16.6	159.36	280	8	0		> 1.22
12/02/2008	16:45	21	15	2	7.7	< 1	9.4	94	570	46
11/17/2008	17:00	19	20	3	7.89				490	28	0		> 1.22
11/03/2008	17:00	25	22	2	7.68	< 1			490	14	0		> 1.22
10/08/2008	17:10	29	23	3	8.1	< 1	8	92.8	460	15			1.07
09/23/2008	16:40	24.5	26	3	8.11		7.05	86.01	430	30	0		0.59
09/16/2008	16:43	26	24.5	3	8.17	< 1	7.01	83.36	400	24	0		> 1.22
06/11/2008	09:35	28	22	3	8.04	< 1	7.1	80.94	410	30	0		0.93
06/08/2008	17:45	28	22		8.16	< 1	7.7	87.78	530	9	0		> 1.22
05/20/2008	16:30	34	25	2	7.35	< 1	8.2	98.4		8	0
04/29/2008	16:40	25	21	3	8.2	< 1	8.3	92.96		33			67.5
04/15/2008	16:33	23.5	21	3		1	7.8	87.36	420	5	0		0.57
03/25/2008	16:40	24	19.5	3	8.14	< 1	9.5	103.55	480	7	0		0.688
02/19/2008	16:35	18.3	15	3	8.18	< 1	9.5	95		3	0.5		0.92
01/29/2008	16:30	18	13	1	7.75	< 1	8.6	82.56	530	4	0		0.625
11/13/2007	16:30	24.5	23	3	7.6	< 1	8.3	96.28	520	22	0		> 1.22
10/23/2007	16:42	23	21	3	8.2	< 1	8.1	90.72	490	1	1.75		0.88
09/25/2007	16:38	32	27	3	7.6	< 1	5.9	73.16	410	11	0		0.7
06/07/2007	09:27	26.5	20	5	7.8	< 1	6.2	68.2	500	4	0		> 1.22
04/24/2007	16:35	24	21	3	7.7	< 1	6.83	76.53	630	7	0		0.72
02/20/2007	16:36	19	17	3	7.7	< 1	9.85	102.44	650	27	0		> 1.2
01/30/2007	16:32	13	12	5	7.5	< 1	9.05	85.07		15	0		1.16
12/05/2006	16:38	15.5	14	2	7	< 2	7.95	77.91	500	7	0		> 1.22
11/28/2006	16:32	25	20	2	7.1	< 1	10	110	610	30	0.05		1.01
11/07/2006	16:35	20.5	20.5	3	7.1	< 1	8.55	94.91	480	7	0		> 1.22
10/17/2006	16:35	31	25	2	6.9	< 1	6		580	1	0.7		> 1.22
09/25/2006	16:53	27	25	3	7	1	7.3		480	2	0.18		> 1.22
07/12/2006	09:12	26	24	2	7.4	< 1	5.8		570	8	0
04/27/2006	17:18	23.5	21	Normal	7.5	< 1	7.75	86.8	430	2	0.5
04/22/2006	10:35	19.5	21.5	Normal	7.6	< 1	7.5	84.75	480	1.5	1.5
04/04/2006		21.5	22.5	Normal	8.2	< 2	9.6	110.4	600	10	0
02/14/2006	16:45	24	16	Normal	8.3	< 1			500	4	0
01/17/2006	16:30	16	14	Low	7.8	< 1	9.3	91.14	550
12/06/2005	16:40	14.5	14	Low		< 1	10.75	105.35	480
11/22/2005	16:30	24	18	Low		< 1	8.85	93.81	460
11/08/2005	16:40					< 1	8.9		520
10/27/2005	17:30	19.5	20	Normal		< 1	9.9	108.9	480
09/13/2005	16:35	32	23	Normal	7.1	< 1			420
06/23/2005	10:52	28.5	21	High	6.9	< 1	5.8	64.96	440	17	0
06/06/2005	10:00	26	20	Normal	7.1	< 1	7.1	78.1	450	5	0
04/28/2005	17:12	29	22	Normal	7.4	< 1	7.4	84.36	540	3	0.15
02/28/2005	16:55	19	14	Normal	7.1	< 1	10.1	98.98	240	2	1
01/28/2005	16:33	10	13	Normal	7.1	< 1	9.25	88.8	270
10/14/2004	17:00	24	24	Normal	7.4	< 1	8.3	97.94	450	1	0.25