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Fosso Bagnatore
(Italy)
1.
Location
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2.
Descriptive Data for Study Catchment
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| Catchment
area |
19 Km2 |
| Stream
length: |
9 Km |
| Climate: |
Mediterranean |
| Annual
rainfall: |
102 mm/year |
| Mean
annual discharge at river mouth: |
0.4 m3/s |
| Altitudinal
range headwater to river mouth: |
828-320 m |
| Population |
2318 inhabitants |
| Lithology: |
Marl, argilaceous
marl, marly limestone |
| Land
uses: |
Forest,
agriculture, pasture, urban |
3.
Descriptive Data for Study Subcatchment
(catchment defined by WWTP)
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Catchment
area: |
11 km2 |
| Stream
length: |
5 km |
| Annual
rainfall: |
NA |
| Mean
annual discharge before WWTP effluent: |
0.13 m3/s |
| Altitudinal
range from headwater to WWTP effluent: |
828-470 m |
| Population: |
2318 inhabitants |
| Distribution
of population: |
villages |
| Lithology: |
Marl, argilaceous
marl, marly limestone |
| Land
uses: |
Forest,
agriculture, pasture, urban |
4.
Wastewater Treatment Plant
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Geographic
location:
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12°02' long, 42°02' lat |
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Altitude:
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470 m a. s. l. |
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Origin of
sewage inputs to WWTP:
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urban |
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Equivalent
drained population:
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350 equivalent
inhabitants/day |
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Type of
nutrient treatment:
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NA |
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Treated
outflow discharge:
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0.026 m3/s |
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Design
outflow discharge:
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NA |
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COD:
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160 mg O2/L |
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BOD:
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64 mg O2/L |
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Suspended
solids:
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4 mg/L |
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Conductivity:
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NA |
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N:
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11.7 mg/L (NH3, 1990) |
| P: |
1.6 mg/L (PO4, 1990) |
| Dissolved
oxygen: |
NA |
5.
Descriptive data for experimental reach
(data
for the reference subreach, upstream of WWTP effluent)
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Morphology
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Water
chemistry
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Biological
communities
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Dominant
strata and species of riparian vegetation:
Salix alba, Ulmus minor, Ranunculus,
Urtica, Arundo donax, Petasites,
Sambucus
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Dominant
aquatic primary producers: filamentous algae
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Macroinvertebrates:
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Dominant
fishes: trout
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