Balili River
| Balili River Naguilian River | |
|---|---|
.svg)  Balili/Naguilian River mouth .svg) Balili River (Philippines) | |
| Etymology | Barangay Balili, La Trinidad, Benguet |
| Location | |
| Country | Philippines |
| Region | Cordillera Administrative Region |
| Province | Benguet |
| City/municipality | |
| Physical characteristics | |
| Source | Cordillera Mountains |
| • location | Baguio |
| • coordinates | 16°25′29″N 120°35′36.9″E / 16.42472°N 120.593583°E |
| • elevation | 1,375 m (4,511 ft) |
| Mouth | South China Sea |
• location | Bauang, La Union |
• coordinates | 16°31′21″N 120°18′27″E / 16.522511°N 120.307503°E |
• elevation | 196 m (643 ft) |
| Length | 62.7 km (39.0 mi) |
| Basin size | 508 km2 (196 sq mi) |
| Discharge | |
| • location | Bagulin, La Union |
| Basin features | |
| Progression | Balili River — Naguilian River |
| Tributaries | |
| • left | Bolo Creek |
| • right | |
The Balili River, also known as the Naguilian River, is a river in the provinces of Benguet and La Union on the island of Luzon, Philippines. With a total length of 62.7 km (39.0 mi), it traverses the city of Baguio, and the municipalities of La Trinidad and Sablan before entering the province of La Union, where the midstream and downstream is called the Naguilian River.[1] It drains into the South China Sea through the town of Bauang.
Sources
The main tributary of the river is the Sagudin River which flows along barangay Trancoville in the city of Baguio. The Sagudin River itself has 23 tributary creeks coming from the city's populated barangays, which include Santo Niño (also known as the Slaughterhouse Compound), New Lucban, Guisad, Honeymoon, Cabinet Hill, and Pacdal.[1][2] Other tributaries include the Bolo Creek in La Trinidad.[3]
Course
From Baguio, the Balili River flows northward, entering the municipality of La Trinidad. It traverses the barangays of Lubas, Balili (from which the river is named), Cruz, Poblacion, and Bineng. At upstream Bineng are several mini-hydroelectric power plants operated by Hydroelectric Development Corporation (HEDCOR). Downstream Bineng at the La Trinidad-Sablan-Tublay tri-point, the river is joined by the Tuel River, and continues to flow westward until it reaches the municipality of Sablan. It crosses another HEDCOR-operated mini-hydroelectric power plant, the Ampohaw Hydro, along barangay Banengbeng.[4] As it exits Sablan and enters Bagulin in La Union province, it is named the Naguilian River.[1]
Pollution
The river suffers from excessive pollution, usually blamed upon the densely populated city of Baguio,[5] where its headwaters are formed.[1] A study by the City Environment and Parks Management Office (CEPMO) of Baguio shows that half of the city's population live within the Balili watershed area, contributing the most waste.[6] The Department of Environment and Natural Resources (DENR) revealed that the quality of the Balili River water test result falls under Class C from its water classification of Class A in 1975, which made its waters fit for drinking after treatment. In 2014, the water test result from Balili River is still within the classification of Class C freshwater, but then, the Department of Environment and Natural Resources cannot re-classify a river downgrading its classification from "Class A" to "Class C".[5][7] The river was included in the DENR's 2003 Pollution Report as one of the 15 "biologically dead" rivers among the 94 principal river basins in the country.[8][9]
Rehabilitation efforts
Several government agencies, academe and private organizations have expressed concern in rehabilitating the river, forming the Balili River System Revitalization Coalition (BRSRC).[5][10] The Baguio Sewerage Treatment Plant was constructed in 1986 along Sanitary Camp to filter the river before it enters La Trinidad.[11] In 2013, the river was designated by the DENR as a "Water Quality Management Area" (WQMA) to protect and improve the water quality, pursuant to the Philippine Clean Water Act of 2004.[9]
References
- ^ a b c d Catajan, Ma. Elena (December 2, 2012). "City could face charges for Balili River pollution". SunStar Baguio. Archived from the original on March 3, 2016. Retrieved January 13, 2015.
- ^ "Benguet Slams Baguio City on Pollution of Balili River". Manila Bulletin. August 25, 2009. Retrieved January 13, 2015.
- ^ "Hedcor volunteers clean up adopted creeks". SunStar Baguio. August 23, 2012. Archived from the original on March 4, 2016. Retrieved January 13, 2015.
- ^ "Ampohaw Hydro". Hydro Electric Development Corporation (HEDCOR). Archived from the original on March 6, 2016. Retrieved January 13, 2015.
- ^ a b c Fabian, Larry P. (September 24, 2014). "An urgent call to save Benguet's Balili River system". Manila Bulletin. Archived from the original on February 4, 2015. Retrieved January 13, 2015.
- ^ Aro, Susan (May 28, 2012). "Half of Baguio population is in Balili watershed". SunStar Baguio. Retrieved January 13, 2015.
- ^ Ramon, Dacawi (July 15, 2012). "4 Rivers to be Reclassified According to Water Quality". Baguio Midland Courier. Retrieved January 13, 2015.
- ^ Palangchao, Harley (August 28, 2011). "MOU inked in bid to save Balili River system". Baguio Midland Courier. Retrieved January 13, 2015.
- ^ a b Aro, Susan (December 10, 2011). "Balili River to be designated as Water Quality Management Area possible". PIA Press Release. Philippine Information Agency. Archived from the original on February 21, 2015. Retrieved January 13, 2015.
- ^ Keith, Gaby B. (July 24, 2014). "Calls for rehabilitation of Benguet river renewed". The Manila Times. Retrieved January 13, 2015.
- ^ Rillorta, Paul (November 20, 2011). "Rehab of sewage treatment plant up". Baguio Midland Courier. Retrieved January 13, 2015.
External links
Media related to Naguilian River at Wikimedia Commons
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