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Job Detail

Job Detail

9b82e629-2a4b-4d2d-99c1-986e212e3d17

Status

Completed

Location Info

Coordinate and address details for the analysis location

Location Name

Muktiharjo Kidul

Coordinates

-6.973054, 110.462595

Description

RW 01, Muktiharjo Kidul, Pedurungan, Kota Semarang, Jawa Tengah, Jawa, Indonesia

Analysis Period

Date range used for hydrological data processing

Start Date

01 January 2016

End Date

31 January 2026

Duration

3684 days

ANALYSIS SUMMARY

Structured Summary

Job Info

Job ID 9b82e629-2a4b-4d2d-99c1-986e212e3d17
Status Completed
Created N/A
Completed At N/A
Files Generated
8 PNG 5 CSV 9 JSON

Input Parameters

Longitude: 110.462595
Latitude: -6.973054
Period: 2016-01-01 s/d 2026-01-31

Data Statistics

Total Analysis Days: 3670 days

Rainfall

Average
8.50 mm/hari
Maximum
58.30 mm
Minimum
0.00 mm
Total
31180.05 mm

Retention Pond Volume

Average
28.98 mm
Maximum
30.07 mm
Minimum
27.67 mm
End of Period
29.40 mm

System Reliability

Average
100.0%
Excellent Reliability (≥90%)

Analysis Results

Output Components

Total Supply
0.00 mm
Evapotranspiration
0.00 mm
Runoff
0.00 mm
Total Output
0.00 mm

Input Components

Rainfall
0.00 mm
River Inflow
0.00 mm
Groundwater
0.00 mm
Total Input
0.00 mm

River Morphology

River Width
29.26 m
Normal
Slope
7.35°
Moderate (2-8°)
Sediment Load
8.53 ton/hari
Normal

Soil Storage Condition

Soil Moisture
4.41 mm
Dry (<20 mm)
Infiltration
0.35 mm/hari
Low
Percolation
0.90 mm/hari
To groundwater: 2321.17 mm (est. 70%)

Water Balance

Total Input
31180.05 mm
Rainfall
Total Output
26092.15 mm
ET + Runoff + ΔS
Residual
0.00 mm
Error
0.00%
Balance Status
Excellent (Error <5%)

Data Quality

Data Completeness 100%
Valid Period ❌ No

Available Files:

Visualization
8 PNG files
Data CSV
5 CSV files
Metadata
9 JSON files

Management Recommendations (1)

1 Flood Mitigation
High Priority

Build flood early warning system and increase drainage capacity in high-risk zones.

WATER DISTRIBUTION & PRIORITY

Domestic
Legal Quota: 0.4 mm/hari
Allocation: 0.40 mm/hari
Priority: 10 (Highest)
Fulfillment: 100.0%
Agriculture
Legal Quota: 0.8 mm/hari
Allocation: 0.30 mm/hari
Priority: 7
Fulfillment: 37.5%
Industry
Legal Quota: 0.2 mm/hari
Allocation: 0.80 mm/hari
Priority: 5
Fulfillment: 400.0%
Environmental
Legal Quota: 0.3 mm/hari
Allocation: 0.20 mm/hari
Priority: 9
Fulfillment: 66.6%

WATER SOURCES

River
Supply: 0.71 mm/hari
Cost: Rp 0/hari
Contribution: 41.8%
Diversion
Supply: 0.44 mm/hari
Cost: Rp 0/hari
Contribution: 25.6%
Groundwater
Supply: 0.56 mm/hari
Cost: Rp 0/hari
Contribution: 32.7%

WATER QUALITY

WQI (Water Quality Index)
94.6/100
Excellent (≥90)
pH Level
6.90
DO (Dissolved Oxygen)
5.57 mg/L
TDS (Total Dissolved Solids)
123.69 mg/L

RIVER & ENVIRONMENT CONDITION

River Morphology
River Width: 29.26 m
Slope: 7.35°
Sediment Load: 8.53 ton/hari
Average Erosion: 41.40 mm/tahun

📊 SYSTEM CONDITIONS SUMMARY

Water Availability Condition
100.0%
Status: Excellent Reliability (≥90%)
Retention Pond Volume
29.40 mm
Max: 30.07 mm
Average Rainfall
8.50 mm/hari

🌊 Flood Risk & Water Ponding Analysis

What is TWI? Topographic Wetness Index (TWI) is an index that measures how easily water accumulates in a location based on topography/terrain. The higher the TWI value, the greater the likelihood that the area will be flooded or waterlogged during rain.

Your Location Risk Status
📊 Regional Wetness Index (TWI)
21.72
Analysis Result: TWI Value 15.67, enhanced by Machine Learning for better accuracy 1.39x
🚨 Flood Risk Level
VERY HIGH
Meaning: This location has high flood risk. Immediate mitigation action is required.
🚨 Detected Flood Prone Areas

Our Machine Learning system found 3 zones zones potentially prone to flooding during heavy rain.

3
⚠️ High Risk
Top Priority
0
⚡ Moderate Risk
Needs Monitoring
0
💧 Low Risk
Stay Alert
📍 Flood Zone Location Details
Zone 1 ⚠️ PRIORITY
TWI Index: 21.7
Area Size: 2.50 ha
Coordinates: -6.99106, 108.48420
Zone 2 ⚠️ PRIORITY
TWI Index: 21.7
Area Size: 3.30 ha
Coordinates: -6.68511, 108.48420
Zone 3 ⚠️ PRIORITY
TWI Index: 21.7
Area Size: 4.10 ha
Coordinates: -7.29702, 109.00261
🌳 Green Open Space (RTH) Recommendations

To reduce flood risk, the Machine Learning system recommends creating 1 Recommended Locations such as parks, urban forests, or water absorption areas.

0
🔥 High Priority
Build Immediately
0
⭐ Medium Priority
Medium Term Plan
3.7
📏 Total Area
Hectares (ha)
📍 Recommended Locations
RTH Location 1 ⭐ PLAN
Estimated Area: 3.70 ha
Coordinates: -6.99106, 108.48420
💡 Reason:

Intercept upstream runoff before reaching flood zones

🚰 Drainage System Recommendations

To control water flow and prevent ponding, the system recommends building 4 drainage channels at strategic locations.

4
🔥 High Priority
Build Immediately
0
⭐ Medium Priority
Medium Term Plan
136,308
⚡ Total Capacity
m³/hour
📍 Drainage Location Details
DRAIN_001 🔥 URGENT
Type Primary Drainage Channel
📍 Coordinates -6.99106, 108.48420
⚡ Capacity 34,077 m³/hour
🔧 Technical Specifications
Width: 2.5 m
Depth: 1.5 m
Slope: 2%
Material: Concrete
✨ Expected Benefits
🛡️ Flood reduction: 39.908984017291%
⏱️ Ponding time reduction: 8 hours
📏 Protected area: 35.1 ha
🔧 Maintenance Requirements
🧹 Cleaning: Monthly
🔍 Inspection: Weekly during rainy season
💰 Annual cost: Rp 7.500.000
💡 Construction Reasons:
  • High TWI (21.7) indicates severe water accumulation
  • Multiple flood zones (3) require comprehensive drainage
  • Moderate slope (7.3°) allows efficient drainage flow
  • Location validated within DAS boundary
DRAIN_002 🔥 URGENT
Type Secondary Drainage Network
📍 Coordinates -7.05226, 108.48420
⚡ Capacity 34,077 m³/hour
🔧 Technical Specifications
Width: 2.5 m
Depth: 1.5 m
Slope: 2%
Material: Concrete
✨ Expected Benefits
🛡️ Flood reduction: 39.908984017291%
⏱️ Ponding time reduction: 8 hours
📏 Protected area: 35.1 ha
🔧 Maintenance Requirements
🧹 Cleaning: Monthly
🔍 Inspection: Weekly during rainy season
💰 Annual cost: Rp 7.500.000
💡 Construction Reasons:
  • High TWI (21.7) indicates severe water accumulation
  • Multiple flood zones (3) require comprehensive drainage
  • Moderate slope (7.3°) allows efficient drainage flow
  • Location validated within DAS boundary
DRAIN_003 🔥 URGENT
Type Lateral Collection System
📍 Coordinates -6.80749, 108.48420
⚡ Capacity 34,077 m³/hour
🔧 Technical Specifications
Width: 2.5 m
Depth: 1.5 m
Slope: 2%
Material: Concrete
✨ Expected Benefits
🛡️ Flood reduction: 39.908984017291%
⏱️ Ponding time reduction: 8 hours
📏 Protected area: 35.1 ha
🔧 Maintenance Requirements
🧹 Cleaning: Monthly
🔍 Inspection: Weekly during rainy season
💰 Annual cost: Rp 7.500.000
💡 Construction Reasons:
  • High TWI (21.7) indicates severe water accumulation
  • Multiple flood zones (3) require comprehensive drainage
  • Moderate slope (7.3°) allows efficient drainage flow
  • Location validated within DAS boundary
DRAIN_004 🔥 URGENT
Type Outlet Channel
📍 Coordinates -6.99106, 109.00261
⚡ Capacity 34,077 m³/hour
🔧 Technical Specifications
Width: 2.5 m
Depth: 1.5 m
Slope: 2%
Material: Concrete
✨ Expected Benefits
🛡️ Flood reduction: 39.908984017291%
⏱️ Ponding time reduction: 8 hours
📏 Protected area: 35.1 ha
🔧 Maintenance Requirements
🧹 Cleaning: Monthly
🔍 Inspection: Weekly during rainy season
💰 Annual cost: Rp 7.500.000
💡 Construction Reasons:
  • High TWI (21.7) indicates severe water accumulation
  • Multiple flood zones (3) require comprehensive drainage
  • Moderate slope (7.3°) allows efficient drainage flow
  • Location validated within DAS boundary
⚡ Required Actions

Implement drainage systems and green spaces to reduce flood risk.

📋 Priority Recommendations
  1. 1.
    Main Priority: Immediately review and give special attention to 3 detected high risk zones
  2. 2.
    Drainage Construction: build 4 high priority drainage channels to channel rainwater
  3. 4.
    Medium Term Plan: build 1 additional RTH locations within 1-2 years
  4. 5.
    Regular Monitoring: Conduct routine monitoring during rainy season for early anticipation
  5. 6.
    Coordination: Involve Public Works Department and community in solution implementation

📅 30-Day Rainfall Forecast

Rainfall Forecast
Average 12.36 mm/hari
Minimum 8.40 mm
Maximum 14.35 mm
Total 370.84 mm
Retention Pond
Current Condition 29.40 mm
30-Day Prediction 29.42 mm
Capacity Percentage 29.4%
Reliability
Current 100.0%
30-Day Prediction 100.0%
Trend Stable

High rainfall predicted. Watch for flood potential and ensure drainage system is functioning well.

📋 Management Suggestions

1. Retention pond volume is low (20-50%). Monitor water usage and prepare to activate additional sources.

2. System reliability is good (>85%). Maintain regular maintenance schedule.

3. Water supply is sufficient. Distribution operations can run normally.

🔧 Improvement Suggestions

Soil Conservation
Medium Priority

Problem: Low soil moisture (4.41 mm)

Solution:
  • Build infiltration wells
  • Rainwater harvesting system
  • Apply mulching to retain moisture
Retention Pond Capacity
High Priority

Problem: Retention pond volume is critical (28.98 mm)

Solution:
  • Evaluate storage capacity and expansion potential
  • Optimize water distribution schedule
  • Implement water demand management
  • Identify alternative water sources
Flood Mitigation
High Priority

Problem: High flood risk (66.3%)

Solution:
  • Increase drainage system capacity
  • Build flood detention ponds
  • Optimize spillway operations
  • Flood early warning system

PERENCANAAN PEMBANGUNAN BENDUNGAN

Tipe Bangunan
Waduk
Provinsi
Jawa Tengah
Wilayah (IKK)
1
Volume Tampungan
1.267.880.543 m³
Tinggi Rata-rata
1.033,50 m
Estimasi HPS (Harga Perkiraan Sendiri)
Minimum
Rp 17.204.400.000
Moderat
Rp 227.002.500.000
Maksimum
Rp 348.760.800.000
Sumber: LPSE PUPR 2025-2026 — nasional (4 paket)
Skenario Total Proyek (RAB)
Skenario Total Proyek Estimasi Kontrak
Minimum Rp 19.600.564.316 Rp 16.413.512.558
Moderat Rp 304.257.125.812 Rp 254.784.917.155
Maksimum Rp 560.943.383.112 Rp 469.733.989.018
Komponen Biaya (Skenario Moderat):
A. Persiapan & Mobilisasi 6%
Rp 13.620.150.000
B. Galian & Pekerjaan Tanah 25%
Rp 56.750.625.000
C. Timbunan Zona Urugan 30%
Rp 68.100.750.000
D. Pekerjaan Beton & Struktur 16%
Rp 36.320.400.000
E. Bangunan Pengelak Sungai 6%
Rp 13.620.150.000
F. Hidromekanikal 7%
Rp 15.890.175.000
G. Instrumentasi & Monitoring 4%
Rp 9.080.100.000
H. Jalan Akses & Penunjang 5%
Rp 11.350.125.000
I. Revegetasi & Lingkungan 2.5%
Rp 5.675.062.500
J. SMKK (K3 Konstruksi) 2.5%
Rp 5.675.062.500
Rincian Breakdown (Moderat):
fisik_rp: Rp 227.002.500.000
overhead_rp: Rp 34.050.375.000
ppn_rp: Rp 28.715.816.250
ded_rp: Rp 14.488.434.562
Rasio Kontrak terhadap HPS (Benchmark LPSE):
Q1
81.7%
Median
83.7%
Q3
93.0%
LPSE PUPR 2025-2026 (n=13 paket)
Jadwal Pelaksanaan
Durasi
54 bulan (4.5 tahun)
Rentang Waktu
36–84
Bln 1-4
Tahap I: Persiapan & Mobilisasi
4 bln
Bln 3-7
Tahap II: Investigasi & Desain Detail
5 bln
Bln 7-12
Tahap III: Pengelakan Sungai
6 bln
Bln 10-17
Tahap IV: Galian & Persiapan Pondasi
8 bln
Bln 16-37
Tahap V: Konstruksi Tubuh Bangunan
22 bln
Bln 23-37
Tahap VI: Bangunan Pelimpah & Mekanikal
15 bln
Bln 43-48
Tahap VII: Pengisian & Impounding
6 bln
Bln 48-53
Tahap VIII: Finishing & Serah Terima
6 bln
Paket LPSE Serupa — Data Pembanding (4 referensi)
Nama Paket Provinsi Tahun HPS Nilai Kontrak % Kontrak/HPS
Pembangunan IPA Kap. 100 L/detik SPAM Waduk Gondang Kabupaten Sragen Tender Sudah Selesai Jawa Tengah 2026 Rp 99.900.000.000 Rp 0 -
Penyempurnaan Instrumen Waduk Muara Nusa Dua di Kota Denpasar; 1 Unit; 0 Juta M3; F; K; SYC Tender Sudah Selesai Bali 2026 Rp 16.200.000.000 Rp 0 -
Peningkatan Jaringan Irigasi DI Waduk Bening Kab. Nganjuk Paket 1 Tender Batal Jawa Timur 2026 Rp 328.400.000.000 Rp 0 -
Peningkatan Jaringan Irigasi DI Waduk Bening Kab. Nganjuk Paket 2 Tender Batal Jawa Timur 2026 Rp 327.600.000.000 Rp 0 -
Referensi: - Data LPSE PUPR 2025-2026 (LPSE_Bendungan_Patched.csv — 128 paket, 21 provinsi) - SE Ditjen Bina Konstruksi No.68/2024 — AHSP SDA - Permen PUPR No.1/PRT/M/2022 - BPS IKK 2024 - Pd T-14-2004-A PUPR
Estimasi ORDER OF MAGNITUDE (±30%) untuk studi kelayakan awal.

🌊 Interactive River Network Map NEW

River network visualization with interactive layers

HTML PNG

Loading interactive map...

Please wait a moment

Interactive map with markers & buffer zone. Scroll to zoom, drag to pan. Toggle layers top-right.
Fullscreen Download

Analysis Location

Muktiharjo Kidul

-6.9731, 110.4626

Map Layers

4 Data Sources

HydroSHEDS, JRC GSW, SRTM, OSM

Buffer Area

10 km radius

River network analysis area

Generated Files

Total 23 file

🗺️ Interactive River Network Map

Interactive map with zoom, layer toggle, and river flow information. Open in browser for detailed exploration.

HTML 0.05 MB

RIVANA Main Dashboard

Main dashboard showing hydrological analysis results using Machine Learning

PNG 0.64 MB

RIVANA Complete Dashboard

Complete dashboard with predictions, risk analysis, and recommendations

PNG 0.60 MB

🌊 TWI Analysis Dashboard (Flood Zones & RTH)

Topographic Wetness Index analysis: flood-prone zones, RTH (green open space), and drainage recommendations

PNG 0.58 MB

Water Balance Dashboard

Water balance visualization: input vs output, hydrological components

PNG 1.05 MB

Morphometry Summary

Watershed morphometric parameters: area, shape, slope, drainage

PNG 0.28 MB

Morphology & Ecology Dashboard

River geomorphological condition and aquatic ecosystem health

PNG 0.81 MB

ML vs Traditional Comparison

Accuracy comparison between Machine Learning model and traditional methods

PNG 0.57 MB

📷 River Network Map (Image)

Static visualization of river network with flow accumulation and topography. Suitable for reports and presentations.

PNG 0.08 MB

Complete Simulation Results

Complete time series data: rainfall, temperature, ET, discharge, reservoir level, supply-demand

CSV 4.69 MB

Monthly Water Balance

Monthly summary: precipitation, evapotranspiration, infiltration, runoff, storage

CSV 0.02 MB

30-Day Forecast Data

30-day rainfall and reservoir level forecast from ML model

CSV 0.00 MB

Raw Satellite Data (GEE)

Raw data from Google Earth Engine: rainfall, temperature, soil moisture, NDVI, evapotranspiration

CSV 0.26 MB

Water Balance Indices

Calculated water balance indices derived from the simulation results

CSV 0.35 MB

Complete Model Validation

Model validation metrics: NSE, R², PBIAS, RMSE for all parameters

JSON 0.01 MB

Baseline Comparison

ML vs traditional method performance comparison (NRECA, SCS-CN)

JSON 0.00 MB

🏗️ Dam Construction Cost Estimate

Estimated dam construction cost: minimum/moderate/maximum HPS, RAB components, and work schedule (LPSE PUPR benchmark)

JSON 0.01 MB

🌊 TWI Analysis, Flood Zones & Drainage

Detailed TWI analysis: flood zone coordinates, RTH recommendations, and drainage planning

JSON 0.01 MB

Water Balance Validation

Water balance validation with maximum 5% error tolerance

JSON 0.00 MB

Model Validation Report

Complete validation report with interpretation and recommendations

JSON 0.00 MB

📊 River Map Metadata

Complete map metadata: coordinates, flow characteristics, water statistics, and satellite data sources.

JSON 0.00 MB

GEE Data Source & Statistics

Google Earth Engine data sources and statistics used in the analysis

JSON 0.00 MB

RIVANA_DAS_Info.json

JSON 0.00 MB

Timeline

Job processing history

Created

06 Jul 2026, 18:12

Submitted

06 Jul 2026, 18:12

Processing Started

06 Jul 2026, 18:12

Finished

06 Jul 2026, 18:39

Statistics

File count

PNG 8
CSV 5
JSON 10
Total Files 23