Catharine Creek Monitoring Set
Catharine Creek Monitoring Set Map
Synoptic Investigative Red Flag Biological
Catharine Creek Monitoring Set Graphs
Select Water Quality Indicator

Note: The points on this graph reflect the average levels or concentrations of each water quality parameter. To see the individual data points that make up these averages, please scroll down and select a Sampling Location or a Monitoring Event from the tables below.

Selection of water quality indicators is controlled by drop-down menu on the upper right. Graph presents average values for both SYNOPTIC LOCATIONS and REDFLAG LOCATIONS over all monitoring events (see below right, table of events). Synoptic and Red Flag locations are ordered downstream to upstream (left to right) according to their distance from the stream mouth (see below left, table of locations). If distance to mouth has not been determined, the location defaults to the right end of the graph. Graph distances do not correspond to actual miles to mouth. INVESTIGATIVE LOCATIONS and BIOLOGICAL LOCATIONS are excluded.

Separate averages are reported for samples collected under base flow and stormwater conditions. These stream flow categories are loosely defined. BASE FLOW corresponds to normal or low flow conditions. STORMWATER corresponds to elevated flows following rain or snow melt, as judged by online hydrographs of USGS gauging stations, if available, and/or as judged by volunteers based on their familiarity with the stream and their observation of factors such as stream turbulence and turbidity. Though loosely defined, these two flow categories provide a useful approximation of the impact of runoff on water quality. See metadata for a description of methods for estimating stream discharge and nutrient loading.

Catharine Creek Sampling Locations

This table lists all SYNOPTIC LOCATIONS , REDFLAG LOCATIONS , INVESTIGATIVE LOCATIONS , and BIOLOGICAL LOCATIONS in the watershed of the monitoring set, their latitude and longitude coordinates, and the number of river miles to the stream mouth, where applicable. Select a location to view a detailed site map and timeline of chemical and microbiological results.

Name Code Latitude Longitude Miles from the mouth Type
Catharine Creek @ Seneca Lake CCSL 42.3818 -76.8602 0.24 SYNOPTIC
Downstream of Montour Falls WWTP CCMFD 42.3538 -76.8529 2.29 SYNOPTIC
Upstream of Montour Falls WWTP CCMFU 42.3509 -76.8498 2.5 SYNOPTIC
Havana Glen Mouth HGM 42.3362 -76.8368 2.99 SYNOPTIC
Catharine Creek @ Genesee St CCGS 42.3283 -76.8441 4.03 SYNOPTIC
Catharine Creek in Millport CCMP 42.2736 -76.8387 8.95 SYNOPTIC
Catharine Creek @ Huck Finn Rd CCHF 42.2129 -76.8457 16.14 INVESTIGATIVE
Catharine Creek @ Genesee St. CCMFG 42.3283 -76.844 SYNOPTIC
Catharine Creek - S. Genesee St. 42.327932 -76.844442 BIOLOGICAL
Catharine Creek Monitoring Events

This table lists the dates of all chemical and microbiological monitoring events since the beginning of the monitoring set. A PARTIAL EVENT indicates that less than 90% of SYNOPTIC LOCATIONS were sampled. Select a date to navigate to a graph and table of raw chemical and microbiological data from the corresponding event.

Date Flow Type
1 June 10, 2025 STORMWATER PARTIAL EVENT
2 June 04, 2025 BASE FLOW PARTIAL EVENT
3 September 24, 2024 BASE FLOW PARTIAL EVENT
4 August 09, 2024 STORMWATER PARTIAL EVENT
5 August 09, 2024 STORMWATER PARTIAL EVENT
6 June 04, 2024 BASE FLOW PARTIAL EVENT
7 December 18, 2023 STORMWATER PARTIAL EVENT
8 June 06, 2023 BASE FLOW PARTIAL EVENT
9 May 01, 2023 STORMWATER PARTIAL EVENT
10 April 30, 2023 STORMWATER PARTIAL EVENT
11 April 30, 2023 STORMWATER PARTIAL EVENT
12 October 03, 2022 BASE FLOW PARTIAL EVENT
13 August 23, 2022 BASE FLOW PARTIAL EVENT
14 August 22, 2022 BASE FLOW PARTIAL EVENT
15 July 18, 2022 STORMWATER PARTIAL EVENT
16 July 18, 2022 STORMWATER PARTIAL EVENT
17 June 06, 2022 BASE FLOW SYNOPTIC EVENT
18 June 07, 2021 BASE FLOW SYNOPTIC EVENT
19 March 15, 2021 BASE FLOW SYNOPTIC EVENT
20 October 30, 2020 STORMWATER PARTIAL EVENT
21 October 05, 2020 BASE FLOW SYNOPTIC EVENT
22 August 05, 2020 BASE FLOW PARTIAL EVENT
23 July 25, 2020 BASE FLOW RED FLAG EVENT
24 May 11, 2020 BASE FLOW SYNOPTIC EVENT
25 April 20, 2020 BASE FLOW RED FLAG EVENT
26 April 06, 2020 BASE FLOW PARTIAL EVENT
27 March 29, 2020 STORMWATER PARTIAL EVENT
28 March 26, 2020 BASE FLOW RED FLAG EVENT
29 November 15, 2019 BASE FLOW RED FLAG EVENT
30 October 19, 2019 BASE FLOW RED FLAG EVENT
31 September 17, 2019 BASE FLOW RED FLAG EVENT
32 September 09, 2019 BASE FLOW SYNOPTIC EVENT
33 August 23, 2019 BASE FLOW RED FLAG EVENT
34 July 23, 2019 BASE FLOW RED FLAG EVENT
35 July 15, 2019 BASE FLOW SYNOPTIC EVENT
36 June 12, 2019 STORMWATER RED FLAG EVENT
37 May 13, 2019 BASE FLOW SYNOPTIC EVENT
38 May 06, 2019 STORMWATER RED FLAG EVENT
39 April 17, 2019 STORMWATER RED FLAG EVENT
40 April 01, 2019 BASE FLOW SYNOPTIC EVENT
41 March 27, 2019 BASE FLOW RED FLAG EVENT
42 December 15, 2018 BASE FLOW RED FLAG EVENT
43 November 25, 2018 BASE FLOW RED FLAG EVENT
44 October 22, 2018 BASE FLOW SYNOPTIC EVENT
45 October 06, 2018 STORMWATER RED FLAG EVENT
46 August 25, 2018 BASE FLOW RED FLAG EVENT
47 August 15, 2018 STORMWATER SYNOPTIC EVENT
48 July 24, 2018 STORMWATER SYNOPTIC EVENT
49 July 18, 2018 BASE FLOW SYNOPTIC EVENT
50 July 07, 2018 BASE FLOW RED FLAG EVENT
51 June 23, 2018 BASE FLOW RED FLAG EVENT
52 June 04, 2018 BASE FLOW SYNOPTIC EVENT
53 May 26, 2018 BASE FLOW RED FLAG EVENT
54 April 23, 2018 BASE FLOW SYNOPTIC EVENT
55 April 14, 2018 BASE FLOW RED FLAG EVENT
56 March 24, 2018 BASE FLOW RED FLAG EVENT
57 January 27, 2018 BASE FLOW RED FLAG EVENT
58 December 09, 2017 BASE FLOW RED FLAG EVENT
59 November 11, 2017 BASE FLOW RED FLAG EVENT
60 November 06, 2017 BASE FLOW SYNOPTIC EVENT
61 October 21, 2017 BASE FLOW RED FLAG EVENT
62 September 26, 2017 BASE FLOW SYNOPTIC EVENT
63 September 23, 2017 BASE FLOW RED FLAG EVENT
64 August 12, 2017 BASE FLOW RED FLAG EVENT
65 July 22, 2017 BASE FLOW RED FLAG EVENT
66 July 10, 2017 BASE FLOW SYNOPTIC EVENT
67 June 24, 2017 BASE FLOW RED FLAG EVENT
68 June 20, 2017 BASE FLOW RED FLAG EVENT
69 May 22, 2017 BASE FLOW RED FLAG EVENT
70 May 01, 2017 BASE FLOW SYNOPTIC EVENT
71 April 15, 2017 BASE FLOW RED FLAG EVENT
72 March 08, 2017 BASE FLOW RED FLAG EVENT
73 February 11, 2017 BASE FLOW RED FLAG EVENT
74 January 16, 2017 BASE FLOW RED FLAG EVENT
75 November 28, 2016 BASE FLOW RED FLAG EVENT
76 October 29, 2016 BASE FLOW RED FLAG EVENT
77 October 24, 2016 BASE FLOW SYNOPTIC EVENT
78 September 10, 2016 BASE FLOW RED FLAG EVENT
79 August 22, 2016 STORMWATER SYNOPTIC EVENT
80 August 20, 2016 BASE FLOW RED FLAG EVENT
81 July 30, 2016 BASE FLOW RED FLAG EVENT
82 July 06, 2016 BASE FLOW SYNOPTIC EVENT
83 June 18, 2016 BASE FLOW RED FLAG EVENT
84 May 21, 2016 BASE FLOW RED FLAG EVENT
85 April 16, 2016 BASE FLOW RED FLAG EVENT
86 April 16, 2016 BASE FLOW RED FLAG EVENT
87 March 26, 2016 BASE FLOW RED FLAG EVENT
88 February 27, 2016 BASE FLOW RED FLAG EVENT
89 January 15, 2016 BASE FLOW RED FLAG EVENT
90 December 05, 2015 BASE FLOW RED FLAG EVENT
91 November 14, 2015 BASE FLOW RED FLAG EVENT
92 November 02, 2015 BASE FLOW SYNOPTIC EVENT
93 October 12, 2015 BASE FLOW RED FLAG EVENT
94 September 07, 2015 BASE FLOW RED FLAG EVENT
95 August 17, 2015 BASE FLOW SYNOPTIC EVENT
96 July 13, 2015 BASE FLOW SYNOPTIC EVENT
97 July 11, 2015 BASE FLOW RED FLAG EVENT
98 June 17, 2015 BASE FLOW RED FLAG EVENT
99 June 09, 2015 STORMWATER SYNOPTIC EVENT
100 May 23, 2015 BASE FLOW RED FLAG EVENT
101 May 18, 2015 BASE FLOW SYNOPTIC EVENT
102 April 11, 2015 STORMWATER RED FLAG EVENT
103 March 21, 2015 BASE FLOW RED FLAG EVENT
104 January 19, 2015 BASE FLOW RED FLAG EVENT
105 December 13, 2014 BASE FLOW RED FLAG EVENT
106 November 17, 2014 BASE FLOW SYNOPTIC EVENT
107 November 14, 2014 BASE FLOW PARTIAL EVENT
108 October 13, 2014 BASE FLOW PARTIAL EVENT
109 September 08, 2014 BASE FLOW SYNOPTIC EVENT
110 September 01, 2014 BASE FLOW PARTIAL EVENT
111 August 02, 2014 BASE FLOW PARTIAL EVENT
112 July 21, 2014 BASE FLOW SYNOPTIC EVENT
113 July 04, 2014 BASE FLOW PARTIAL EVENT
114 June 14, 2014 BASE FLOW SYNOPTIC EVENT
115 May 25, 2014 BASE FLOW SYNOPTIC EVENT
116 May 19, 2014 BASE FLOW SYNOPTIC EVENT
117 April 19, 2014 BASE FLOW RED FLAG EVENT
118 March 22, 2014 BASE FLOW PARTIAL EVENT
119 January 20, 2014 BASE FLOW PARTIAL EVENT
120 December 28, 2013 BASE FLOW PARTIAL EVENT
121 November 11, 2013 BASE FLOW PARTIAL EVENT
122 October 14, 2013 BASE FLOW PARTIAL EVENT