HydroBASINS lev08 watershed · #7080464700
Bassin de Menomonee River
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 4 administrative regions : Milwaukee, Ozaukee, Washington, Waukesha
Sub-basin area
383km²
Upstream area
383,1km²
Discharge
3,05m³/s
Mean elev.
242m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 172.1 km²44.9% of basin
- 107.5 km²28.0% of basin
- Washington71.2 km²18.6% of basin
- 32.8 km²8.6% of basin
6 intersecting protected areas
Little Menomonee Site
IUCN VNatural Area
0.07 km² overlap
Mequon
IUCN VNature Preserve
0.05 km² overlap
Mitigation
0.02 km² overlap
Mitigation
0.01 km² overlap
Statewide Habitat Areas
IUCN VHabitat Area
0.01 km² overlap
Deer Creek
IUCN VSanctuary
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 431 distinct species · 425 286 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Menomonee River : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
8,0°C
Annual rain
810mm
Moisture idx (CMI)
-0,10
Runoff
252mm/an
PET
900mm
AET
683mm
Mean slope
1,1°
Water table
79cm
Forest
5%
Crops
10%
Urban
75%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)