Monitoring Stations
Water Quality Index
77
/ 100
Good
PoorExcellent
Based on WHO / Philippine DENR Standards
🟢Online☀️Solar-Powered📡LoRa Connected
Live Sensor Readings
pH
✅ Normal7.4
pH→
Safe range6.5 – 8.5(WHO)
Turbidity
⚠️ Warning4.4
NTU→
Safe range< 4 NTU(EPA)
TDS
✅ Normal175
mg/L↓
Safe range< 500 mg/L(WHO)
Temperature
✅ Normal27.9
°C↓
Safe range20 – 30°C(Aquatic)
Historical Trends
pH (pH)
Turbidity (NTU)
TDS (mg/L)
Temperature (°C)
Alert Log
5 recent events⚠️2 days ago
Station Beta—Turbidity at 6.8 NTU
Turbidity spiked — possible upstream runoff
🚨3 days ago
Station Gamma—Turbidity at 9.1 NTU
Turbidity exceeded critical threshold
⚠️5 days ago
Station Gamma—TDS at 524 mg/L
TDS above WHO guideline
⚠️7 days ago
Station Beta—pH at 6.1
pH dropped below safe range
⚠️9 days ago
Station Gamma—Temperature at 31.2 °C
Temperature above aquatic safety threshold
System Status
All Systems OperationalHardware: Solar panel + ESP32 microcontroller + LoRa SX1278 module (as described in USTP research)
Solar Panel
Charging (87% battery)
LoRa Signal
Connected (−82 dBm)
ESP32 Node
Online
Last Transmission
45 seconds ago
Uptime
14d 6h 22m
Parameter Safety Standards
| Parameter | Safe Range | Source |
|---|---|---|
| pH | 6.5 – 8.5 | WHO / Philippine DENR |
| Turbidity | < 4 NTU | EPA / DENR DAO 2016-08 |
| TDS | < 500 mg/L | WHO Guidelines |
| Temperature | 20 – 30°C | Aquatic Life Standard |
📄Based on Published Research
"Remote Water Quality Monitoring System using Solar-Powered and Long-Range Communication"
👤Bethel Amor S. Bullecer👤Cristel Jane S. Jabao👤Abid Yahya
🏛️
Institution
College of Engineering and Architecture, USTP CDO
📰
Journal
Mindanao Journal of Science and Technology (MJST)
📅
Publication
Vol. 23 No. 2, December 2025