Table 3.   Subbasin geographic features.
Topological
number 		Subbasin Tributaries Lagoons Hills Towns or
hamlets
1 Quebrada Pichucirca - - Chuchupón, Pichucirca Yaque
2 Quebrada de Tembladera - Tembladera Tembladera, Negro La Tranca
3 Quebrada de Punguyjo Unnamed Hualtaco Chayapa, Hualtaco Sosopampa, Punguyjo, Mushcalin
4 Quebrada Cincate (Colán) Several unnamed - Carrampón, Pan de Azúcar, Quiligán, Campana, Cerezo -
5 Quebrada Los Cuartos Unnamed Totoral, Conrabo, Conchampa El Chunque, Pozo Colorado, Verdes de Montaña, Pozo Negro, Mishahuanga Caluncate, Sinchabuelito
6 Quebrada de Cascabamba Several unnamed - Portachuelo de Chapunis, Mishahuanga Chapunis, Cachil
7 Quebrada Huanga Changa Quebrada del Verde - Paltarume, Pichu, Pincuyo, Cunamis Chonta Cruz, Miracosta, Yaque, Tallacirca
8 Río Moyán 0 Unnamed Unnamed Lipiag, Choicopico, Negro Sinchagual, Tongula
9 Río Sangana 0 Several unnamed Quinsacocha, three unnamed San Lorenzo, Choicopico Tucto
10101 Quebrada Pichucirca Unnamed - Chuchupón -
10201 Quebrada de Tembladera Q. Marayhuaca, Q. Ticuaca Chapa, Riquiche, Yachapa - Marayhuaca, Tasajera, Tolospampa, Tingo, Atumpuqio, Piedra Parada
10301 Quebrada Rachichuela - - Tamboñi Tamboñi, Hacienda Moyan
10401 Quebrada Cincate (Colán) Several unnamed - Carrampón, sin nombre, Calaboso Hacienda Mochumi
20101 Río Chauchaquis Q. Unican, Q. Chorro Blanco - El Chunque, Portachuelo de Chapunis, Segse Achucala
20201 Río Cascabamba (Nieves) - - Chilihuisa, Portachuelo de Chapunis, Huambaracirca Nieves, Huambara
20301 Quebrada del Verde - - Cunamis, Yaque, Llacaden
20302 Río Tocmoche Several unnamed - Chillón, Cunamis, Tres Huacas, Cruz Verde, Gallo Luscapampa, Tocmoche, Tangasca
20401 Río Moyán 1 Q. Habas, unnamed - Cochapampa, Rumichaca, Paquican, Pigonta, Atumpampa, Chapa Huasicaj, Machaycaj, Shangapampa, Shita, Incahuasi, Cochapampa, Tingo, Tolospampa, Capilla, Totora, Huarhuar
20402 Río Moyán 2 Q. de Lanchipampa, Q. Janque, Several unnamed - Yachapa, Riquiche, Ayumpampa, Pigonta, Lungan, Sopa, Palayon, Pin Pin, San Nicolás, Viscacha, Puycate, Huacarume Atumpuqio, Ullurpampa, Cochapampa, Atumpampa, Lanchipampa, Tallapampa, Sopa, Huayrol, Sacca, Riopampa, Uyshahuasi, Cumba, Amusuy, Ayamachay
20403 Río Moyán 3 Q. Cuta, Q. Shahuindo, Several unnamed - Palayón, Shugocaga, Nuevo Mundo, Lajas de Tongón, Reloj, Chacuapampa, La Punta, Luycho Potrero, Tamboñi El Molino, Tamboni, Pirgacirca, Naranjo, Laquipampa, Lajas, Limón, Zapote, Escalera
30101 Río Sangana 1 Q. Pozo con Rabo, unnamed - Segse, Paquicán, Rumichaca Rumichaca, Paccha, El Reloj, Sangana, Congona, Tucto
30102 Río Sangana 2 Q. de Minas o de Paquicán, Chilihuisa, Several unnamed - Pigonta, Chilihuisa, Pumpe, Lungán Sangana, Huilsca, Huaysso, Estancia, Succha, Lungán
30103 Río Sangana 3 Q. Anguyaco, Q. Shambo, Q, Caracucho - Sopa, Pumpe, Huambaracirca, Cunamis, Chillón, Gallo, Palayón Shashala, Angulis, Chonta, Huambara, Paional, San Martín, Shambo, Caracucho
30104 Río Sangana 4 Q. Cruz Verde (Río Seco) - Zapallar, Cruz Verde, Tres Huacas, Chuchupón, De los Loros, Tasajeras, Quiligán, Carrampón, Pampa de Mula, Lajas de Tongón Tangasca, Tres Huacas, Llaves
30105 Río La Leche 1 Q. Negrahuasi (Del Reloj), unnamed - Reloj, Negrahuasi El Campamento, La U, Puchaca
30106 Río La Leche 2 Q. La Calera, Q. Medio Mundo, Q. Calabozo, Several unnamed - La Calera, Calaboso, Motupillo, La Traposa, Calicantro, Huaca Rajada, Jahuay Negro, San Antonio, Guineal, Carpintero, Pasato Quemado La Calera, La Calzada, Mochumi Viejo, Mayascón, La Traposa, Papayo Desaguadero, Motupillo, San Juan, Calicantro


Table 4.   Subbasin hydrologic properties.
Topological
number 		Subbasin Drainage
area
(ha) 		Hydraulic
length
(m) 		Average
channel slope
(m/m)
1 Quebrada Pichucirca 709.09 3816.2 0.1347
2 Quebrada de Tembladera 1517.07 5316.5 0.0707
3 Quebrada de Punguyjo 2215.85 9231.3 0.1213
4 Quebrada Cincate (Colán) 5968.65 8179.1 0.0550
5 Quebrada Los Cuartos 3379.84 5304.7 0.1546
6 Quebrada de Cascabamba 3121.00 6745.8 0.2372
7 Quebrada Huanga Changa 2645.08 4030.7 0.0610
8 Río Moyán 0 3385.71 6251.3 0.1392
9 Río Sangana 0 3095.34 5756.2 0.0695
10101 Quebrada Pichucirca 788.88 3026.3 0.0634
10201 Quebrada de Tembladera 3082.88 5551.7 0.1214
10301 Quebrada Rachichuela 1245.12 9301.9 0.1199
10401 Quebrada Cincate (Colán) 2552.32 5413.6 0.0074
20101 Río Chauchaquis 2337.49 4488.0 0.1404
20201 Río Cascabamba (Nieves) 2130.89 4525.2 0.1496
20301 Quebrada del Verde 708.49 3009.3 0.0847
20302 Río Tocmoche 2340.41 6869.6 0.1057
20401 Río Moyán 1 3357.12 5020.2 0.0558
20402 Río Moyán 2 8647.12 10332.8 0.1050
20403 Río Moyán 3 8815.68 13908.7 0.0737
30101 Río Sangana 1 5284.21 7427.8 0.1077
30102 Río Sangana 2 4486.57 7636.2 0.0864
30103 Río Sangana 3 5567.31 7974.7 0.0722
30104 Río Sangana 4 6426.92 6886.5 0.0398
30105 Río La Leche 1 4307.96 5333.9 0.0244
30106 Río La Leche 2 2619.12 3550.5 0.0099
Total Río La Leche at La Calzada 90736.12 - -


Table 5.   Subbasin average terrain slopes.
Topological number Subbasin Map correction Number of sampling points Average distance between curves Average distance (m) Average terrain slope
(%)
[1] [2] [3] [4] [5] =
Σ Di /[4] 		[6] =
1000 * [5]/[3] 		[7] =
100 * 50/[6]
1 Quebrada Pichucirca 1.0332 9 0.150 145.180 34.41
2 Quebrada de Tembladera 1.0403 15 0.199 191.291 26.18
3 Quebrada de Punguyjo 1.0411 22 0.159 152.723 32.84
4 Quebrada Cincate (Colán) 1.0402 59 0.208 199.962 24.96
5 Quebrada Los Cuartos 1.046 35 0.132 126.195 39.62
6 Quebrada de Cascabamba 1.0395 32 0.172 165.464 30.27
7 Quebrada Huanga Changa 1.0406 26 0.168 161.445 30.95
8 Río Moyán 0 1.0449 34 0.175 167.480 29.77
9 Río Sangana 0 1.036 31 0.153 147.683 33.78
10101 Quebrada Pichucirca 1.0351 6 0.240 231.862 21.55
10201 Quebrada de Tembladera 1.038 30 0.263 253.372 19.72
10301 Quebrada Rachichuela 1.0332 12 0.113 109.369 45.71
10401 Quebrada Cincate (Colán) 1.0527 25 0.241 228.935 21.81
20101 Río Chauchaquis 1.0328 24 0.138 133.617 37.53
20201 Río Cascabamba (Nieves) 1.036 23 0.184 177.606 28.12
20301 Quebrada del Verde 1.0408 7 0.197 189.277 26.40
20302 Río Tocmoche 1.0344 24 0.160 154.679 32.35
20401 Río Moyán 1 1.0383 35 0.148 142.541 35.08
20402 Río Moyán 2 1.0303 88 0.137 132.971 37.70
20403 Río Moyán 3 1.041 86 0.110 105.668 47.44
30101 Río Sangana 1 1.0452 46 0.121 115.767 43.02
30102 Río Sangana 2 1.0285 45 0.102 99.174 50.28
30103 Río Sangana 3 1.0371 54 0.112 107.993 46.32
30104 Río Sangana 4 1.0412 63 0.180 172.877 28.88
30105 Río La Leche 1 1.0465 44 0.179 171.046 29.16
30106 Río La Leche 2 1.0441 25 0.125 119.720 41.66
Average Río La Leche - - - - 33.69


Table 6.   24-hr annual maximum storm precipitation in La Leche stations 1
Order Puchaca Tocmoche Incahuasi
1 4.2 5.2 17.0
2 6.1 7.0 20.0
3 7.2 10.0 20.5
4 8.2 12.0 21.0
5 8.5 12.0 21.5
6 8.8 15.0 21.5
7 9.7 20.0 21.5
8 11.1 20.0 22.0
9 12.9 20.0 24.0
10 14.3 25.0 25.5
11 20.3 25.0 25.5
12 23.2 25.0 25.5
13 24.3 28.0 26.2
14 27.5 30.0 28.0
15 30.0 32.0 28.0
16 30.2 35.0 30.5
17 30.3 35.0 30.7
18 31.5 36.0 31.5
19 33.5 40.0 33.0
20 40.0 40.0 33.5
21 40.1 45.0 33.5
22 51.5 45.0 34.0
23 58.4 47.0 34.0
24 59.0 48.0 34.5
25 60.0 55.0 34.5
26 60.2 55.0 36.0
27 60.3 60.0 36.6
28 60.9 60.0 37.0
29 62.7 61.0 39.0
30 65.3 70.0 40.5
31 95.4 76.0 43.5
32 96.2 85.0 45.0
33 100.4 94.0 52.0
34 101.5 100.0 53.0
35 150.0 100.4 55.0
36 150.2 - 81.0
1 24-hr annual maximum storm precipitation in mm.


Table 7.   Subbasin runoff curve numbers.
Topological number Subbasin Hydrologic soil group Land use Aerial weighted CNII
Woodland/grassland Cropland
Hydrologic surface condition  CNII   Percent aerial coverage Hydrologic surface condition  CNII   Percent aerial coverage
1 Quebrada Pichucirca D good 79 30 good 89 70 86
2 Quebrada de Tembladera D good 79 90 good 89 10 80
3 Quebrada de Punguyjo D good 79 70 good 89 30 82
4 Quebrada Cincate (Colán) D poor 86 100 good 89 0 86
5 Quebrada Los Cuartos D good 79 80 good 89 20 81
6 Quebrada de Cascabamba D good 79 40 good 89 60 85
7 Quebrada Huanga Changa D good 79 60 good 89 40 83
8 Río Moyán 0 D good 79 100 good 89 0 79
9 Río Sangana 0 D good 79 100 good 89 0 79
10101 Quebrada Pichucirca D good 79 50 good 89 50 84
10201 Quebrada de Tembladera D good 79 80 good 89 20 81
10301 Quebrada Rachichuela D poor 86 80 good 89 20 87
10401 Quebrada Cincate (Colán) D poor 86 100 good 89 0 86
20101 Río Chauchaquis D good 79 70 good 89 30 82
20201 Río Cascabamba (Nieves) D good 79 70 good 89 30 82
20301 Quebrada del Verde D good 79 20 good 89 80 87
20302 Río Tocmoche D good 79 80 good 89 20 81
20401 Río Moyán 1 D good 79 80 good 89 20 81
20402 Río Moyán 2 D poor 86 80 good 89 20 87
20403 Río Moyán 3 D fair 82 80 good 89 20 83
30101 Río Sangana 1 D fair 82 80 good 89 20 83
30102 Río Sangana 2 D poor 86 90 good 89 10 86
30103 Río Sangana 3 D good 79 80 good 89 20 81
30104 Río Sangana 4 D fair 82 100 good 89 0 82
30105 Río La Leche 1 D fair 82 90 good 89 10 83
30106 Río La Leche 2 D poor 86 90 good 89 10 87
Basinwide Río La Leche - - - - - - - 83


Table 8.   Manning's n roughness and other cross-sectional data.
Topological
number 		Subwatershed Number of points Manning's n left bank Manning's n center channel Manning's n right bank x-coordinate left/center x-coordinate center/right
10101 Quebrada Pichucirca 8 0.100 0.080 0.100 114 121
10201 Quebrada de Tembladera 8 0.100 0.075 0.100 116 126
10301 Quebrada Rachichuela 8 0.100 0.075 0.100 114 123
10401 Quebrada Cincate (Colán) 8 0.100 0.035 0.100 196 224
20101 Río Chauchaquis 8 0.100 0.075 0.100 116 126
20201 Río Cascabamba (Nieves) 8 0.100 0.075 0.100 114 123
20301 Quebrada del Verde 8 0.100 0.075 0.100 114 123
20302 Río Tocmoche 8 0.100 0.075 0.100 131 143
20401 Río Moyán 1 8 0.100 0.075 0.100 131 143
20402 Río Moyán 2 8 0.100 0.075 0.100 131 147
20403 Río Moyán 3 8 0.100 0.075 0.100 131 149
30101 Río Sangana 1 8 0.100 0.075 0.100 131 143
30102 Río Sangana 2 8 0.100 0.075 0.100 131 147
30103 Río Sangana 3 8 0.100 0.075 0.100 131 149
30104 Río Sangana 4 8 0.09 0.07 0.09 146 168
30105 Río La Leche 1 8 0.08 0.06 0.08 196 228
30106 Río La Leche 2 8 0.07 0.04 0.07 196 244


Table 9.   Typical reach eight-point cross-sectional data.
Topological
number 		Subbasin x1 z1 x2 z2 x3 z3 x4 z4 x5 z5 x6 z6 x7 z7 x8 z8
10101 Quebrada Pichucirca 100 120 108 112 114 109 115 108 120 108 121 109 127 112 135 120
10201 Quebrada de Tembladera 100 120 108 112 116 108 118 106 124 106 126 108 134 112 142 120
10301 Quebrada Rachichuela 100 120 108 112 114 109 116 107 121 107 123 109 129 112 137 120
10401 Quebrada Cincate (Colán) 100 120 116 112 196 104 200 102 220 102 224 104 304 112 320 120
20101 Río Chauchaquis 100 120 108 112 116 108 118 106 124 106 126 108 134 112 142 120
20201 Río Cascabamba (Nieves) 100 120 108 112 116 108 118 106 124 106 126 108 134 112 142 120
20301 Quebrada del Verde 100 120 108 112 114 109 116 107 121 107 123 109 129 112 137 120
20302 Río Tocmoche 100 120 116 112 131 107 133 105 141 105 143 107 158 112 174 120
20401 Río Moyán 1 100 120 116 112 131 107 133 105 141 105 143 107 158 112 174 120
20402 Río Moyán 2 100 120 116 112 131 107 134 104 144 104 147 107 162 112 178 120
20403 Río Moyán 3 100 120 116 112 131 107 134 104 146 104 149 107 164 112 180 120
30101 Río Sangana 1 100 120 116 112 131 107 133 105 141 105 143 107 158 112 174 120
30102 Río Sangana 2 100 120 116 112 131 107 134 104 144 104 147 107 162 112 178 120
30103 Río Sangana 3 100 120 116 112 131 107 134 104 146 104 149 107 164 112 180 120
30104 Río Sangana 4 100 120 116 112 146 106 149 103 165 103 168 106 198 112 214 120
30105 Río La Leche 1 100 120 116 112 196 104 202 101 222 101 228 104 308 112 324 120
30106 Río La Leche 2 100 120 116 112 196 104 202 101 238 101 244 104 324 112 340 120


Table 10.   Storm precipitation in La Leche climatological stations.1
Method Return period (yr) Station
Puchaca 2 Tocmoche 3 Incahuasi 4
Log Pearson III 100 229 131 78
10000 565 202 167
Gumbel 100 184 137 78
10000 340 245 130
Adopted 100 207 134 78
10000 453 224 149
Ppsh (principal spillway hydrograph) 207 134 78
Pesh (emergency spillway hydrograph) 271 157 96
Pfbh (freeboard hydrograph) 453 224 149
1 24-hr storm precipitation in mm.
2 Elevation = 355 m.a.m.s.l.
3 Elevation = 1,450 m.a.m.s.l.
4 Elevation = 3,078 m.a.m.s.l.


Table 11.   Design storm precipitations.
Topological
number 		Subbasin Drainage area
(ha) 		Elevation
of centroid
(m) 		P100
(mm) 		P10000
(mm) 		Ppsh
(mm) 		Pesh
(mm) 		Pfbh
(mm)
1 Quebrada Pichucirca 709.09 2000 106.3 188.2 106 128 188
2 Quebrada de Tembladera 1517.07 3550 70.4 137.9 70 88 138
3 Quebrada de Punguyjo 2215.85 3100 77.6 148.4 78 96 148
4 Quebrada Cincate (Colán) 5968.65 500 186.2 381.6 186 237 382
5 Quebrada Los Cuartos 3379.84 3500 71.1 138.9 71 89 139
6 Quebrada de Cascabamba 3121.00 2450 91.9 168.6 92 112 169
7 Quebrada Huanga Changa 2645.08 1750 117.0 202.3 117 139 202
8 Río Moyán 0 3385.71 3550 70.4 137.9 70 88 138
9 Río Sangana 0 3095.34 3050 78.5 149.7 78 97 150
10101 Quebrada Pichucirca 788.88 1600 124.8 212.4 125 148 212
10201 Quebrada de Tembladera 3082.88 3300 74.2 143.5 74 92 144
10301 Quebrada Rachichuela 1245.12 2000 106.3 188.2 106 128 188
10401 Quebrada Cincate (Colán) 2552.32 350 207.9 456.2 208 272 456
20101 Río Chauchaquis 2337.49 2700 85.7 160.0 86 105 160
20201 Río Cascabamba (Nieves) 2130.89 1900 110.3 193.5 110 132 194
20301 Quebrada del Verde 708.49 1400 135.4 228.0 135 159 228
20302 Río Tocmoche 2340.41 1100 145.9 257.2 146 175 257
20401 Río Moyán 1 3357.12 3100 77.6 148.4 78 96 148
20402 Río Moyán 2 8647.12 2200 99.3 178.7 99 120 179
20403 Río Moyán 3 8815.68 1600 124.8 212.4 125 148 212
30101 Río Sangana 1 5284.21 2700 85.7 160.0 86 105 160
30102 Río Sangana 2 4486.57 2000 106.3 188.2 106 128 188
30103 Río Sangana 3 5567.31 1100 145.9 257.2 146 175 257
30104 Río Sangana 4 6426.92 1000 150.3 270.0 150 181 270
30105 Río La Leche 1 4307.96 600 176.0 348.3 176 221 348
30106 Río La Leche 2 2619.12 600 176.0 348.3 176 221 348
Basinwide Río La Leche 90736.12 - - - 119 146 222


Table 13.   Calicantro dam: Subbasin hydrologic properties.
Topological
number 		Subbasin Drainage
area
(ha) 		Hydraulic
length
(m) 		Average
channel slope
(m/m) 		Average
terrain slope
(%)
1 Quebrada Calicantro 0 1445.6 4891.0 0.110 33.0
10101 Quebrada Calicantro 1 1492.3 4064.0 0.027 3.3


Table 14.   Calicantro dam: Subbasin runoff curve numbers.
Topological number Subbasin Hydrologic soil group Land use Aerial weighted CNII
Woodland/grassland Desert shrub
Hydrologic surface condition  CNII   Percent aerial coverage Hydrologic surface condition  CNII   Percent aerial coverage
1 Quebrada Calicantro 0 D good 79 100 good 84 0 79
10101 Quebrada Calicantro 1 C good 72 0 good 79 100 79


Table 15.   Calicantro dam: Manning's n roughness and other cross-sectional data.
Topological
number 		Subwatershed Number of points Manning's n left bank Manning's n center channel Manning's n right bank x-coordinate left/center x-coordinate center/right
10101 Quebrada Calicantro 1 8 0.080 0.050 0.080 114 123


Table 16.   Calicantro dam: Typical reach eight-point cross-sectional data.
Topological
number 		Subbasin x1 z1 x2 z2 x3 z3 x4 z4 x5 z5 x6 z6 x7 z7 x8 z8
10101 Quebrada Calicantro 1 100 120 116 112 226 111 228 110 258 110 260 111 360 112 376 120


Table 17.   Calicantro dam: Design storm precipitations.
Topological
number 		Subbasin Drainage area
(ha) 		Elevation
of centroid
(m) 		P100
(mm) 		P10000
(mm) 		Ppsh
(mm) 		Pesh
(mm) 		Pfbh
(mm)
1 Quebrada Calicantro 0 1445.6 600 176.0 348.3 176 221 348
10101 Quebrada Calicantro 1 1492.3 200 207.0 453.0 207 271 453