Table 2 Geographical coordinates and characterization of sampling sites and wastewater treatment plants
Site no. | Characterization (km from river mouth) | N | E |
|---|---|---|---|
1 | Upper Horloff (43.9 km) | 50° 32′ 7.28ʺ | 9° 8′ 22.43ʺ |
2 | Upper Horloff (40.0 km) | 50° 31′ 14.16ʺ | 9° 5′ 45.84ʺ |
3 | Upper Horloff, upstream of WWTPs Einartshausen (drains via creek Einartsbach) and Gonterskirchen (35.2 km) | 50° 31′ 8.68ʺ | 9° 2′ 24.19ʺ |
|  | WWTP Einartshausen (850 person equivalents—PE) | 50° 30′ 12.8ʺ | 9° 03′ 40.3ʺ |
|  | WWTP Gonterskirchen (990 PE) | 50° 30′ 44.1ʺ | 9° 01′ 1.8ʺ |
|  | WWTP Friedrichshütte (100 PE) | 50° 31′ 14.5ʺ | 8° 58′ 58.6ʺ |
4 | Upper Horloff, downstream of WWTP Friedrichshütte (28.6 km) | 50° 31′ 16.54ʺ | 8° 57′ 59.76ʺ |
|  | WWTP Ruppertsburg (990 PE) | 50° 30′ 51.52ʺ | 8° 56′ 59.67ʺ |
5 | Upper Horloff, downstream of WWTP Ruppertsburg (27.4 km) | 50° 30′ 50.95ʺ | 8° 56′ 56.73ʺ |
6 | Upper Horloff (25.2 km) | 50° 30′ 14.74ʺ | 8° 56′ 28.44ʺ |
7 | Upper Horloff (23.4 km) | 50° 29′ 29.54ʺ | 8° 56′ 17.14ʺ |
8 | Upper Horloff (22.4 km) | 50° 29′ 6.63ʺ | 8° 55′ 42.45ʺ |
9 | Upper Horloff (20.7 km) | 50° 28′ 43.36ʺ | 8° 55′ 37.77ʺ |
10 | Upper Horloff, upstream of weir Neumühle (19.6 km) | 50° 28′ 21.54ʺ | 8° 54′ 0.40ʺ |
11 | Upper Horloff, downstream of weir Neumühle (19.5 km) | 50° 28′ 17.14ʺ | 8° 54′ 3.96ʺ |
12 | Upper Horloff (17.4 km) | 50° 27′ 45.91ʺ | 8° 55′ 1.71ʺ |
13 | Lower Horloff (15.6 km) | 50° 27′ 7.57ʺ | 8° 54′ 39.91ʺ |
14 | Lower Horloff, upstream of WWTP Hungen-Utphe (13.4 km) | 50° 26′ 11.88ʺ | 8° 53′ 51.76ʺ |
15 | Lower Horloff, downstream of WWTP Hungen-Utphe (13.3 km) | 50° 26′ 7.6ʺ | 8° 53′ 48.3ʺ |
|  | WWTP Hungen-Utphe (78,000 PE) | 50° 26′ 12.5ʺ | 8° 53′ 52.32ʺ |
16 | Lower Horloff, reference site upstream of restoration section (10.2 km) | 50° 24′ 36.67ʺ | 8° 54′ 3.0ʺ |
17 | Lower Horloff, within restoration section (8.8 km) | 50° 23′ 57.15ʺ | 8° 53′ 56.06ʺ |
18 | Lower Horloff, within restoration section (8.0 km) | 50° 23′ 34.40ʺ | 8° 53′ 41.43ʺ |
19 | Lower Horloff, downstream of restoration section and upstream of WWTP Wölfersheim (drains via creek Biedrichsgraben) (7.4 km) | 50° 23′ 16.54ʺ | 8° 53′ 27.16ʺ |
|  | WWTP Wölfersheim (6000 PE) | 50° 24′ 7.5ʺ | 8° 49′ 56.5ʺ |
20 | Lower Horloff, downstream of WWTP Wölfersheim (drains via creek Biedrichsgraben) (6.5 km) | 50° 22′ 48.01ʺ | 8° 53′ 16.43ʺ |
21 | Lower Horloff (4.1 km) | 50° 21′ 40.42ʺ | 8° 52′ 44.59ʺ |
22 | Lower Horloff (3.0 km) | 50° 21′ 7.60ʺ | 8° 52′ 36.30ʺ |
23 | Lower Horloff (2.3 km) | 50° 20′ 43.8ʺ | 8° 52′ 34.1ʺ |
24 | Lower Horloff (1.7 km) | 50° 20′ 23.70ʺ | 8° 52′ 34.95ʺ |
25 | Lower Horloff (0.2 km) | 50° 19′ 44.26ʺ | 8° 52′ 13.8ʺ |