The Sapang Baho River is a river system that runs through Rizal Province

Rizal

Rizal is a province located in the CALABARZON , just 16 kilometers east of Manila. The province was named after the country's national hero, José Rizal. Rizal Governor Casimiro A. Ynares III on June 17, 2008 announced the transfer of the Capitol from Pasig. Its P 270-million capitol building,...

 and Marikina City

Marikina City

Marikina, officially the City of Marikina, known as the Shoe Capital of the Philippines, was former capital of the province of Manila during the declaration of Philippine Independence and one of the sixteen cities within the Manila Metropolitan Area. Marikina is part of Eastern Manila District of...

 in the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

. The name, when literally translated, means "smelly creek." It is one of 21 River tributaries of Laguna de Bay

Laguna de Bay

Laguna de Bay is the largest lake in the Philippines and the third largest freshwater lake in Southeast Asia after Tonle Sap in Cambodia and Lake Toba in Sumatra, Indonesia. It is on the island of Luzon between the provinces of Laguna to the south and Rizal to the north...

 and is regularly monitored by the Laguna Lake Development Authority

Laguna Lake Development Authority

The Philippines' Laguna Lake Development Authority abbreviated as LLDA is one of the attached agencies of the Philippines' Department of Environment and Natural Resources responsible in the preservation, development and sustainability of the Laguna de Bay and its 21 major tributary rivers.- History...

(LLDA) through one of its 15 river monitoring stations.

Monitoring and Conservation

In the latest (December 2005) Water Quality Status Report listed on the LLDA's site, the Sapang Baho River was listed as "worse than Class D" with very low % Dissolved Oxygen saturation. It also indicated that this status had been "maintained" since the river was last monitored.

According to the Department of Environment and Natural Resources's Water Usage & Classification for Fresh Water, Class D Quality freshwater is suitable for agriculture, irrigation, livestock watering and industrial water supply class II. "Worse than Class D" means that the Sapang Bato is not usable for any of these functions.

The Sapang Baho has been noted to have a blue color which has been attributed to dissolved matter. This mixes with the water in Mangahan floodway, and from there to the Lake.

See also

• Laguna de Bay
  Laguna de Bay
  Laguna de Bay is the largest lake in the Philippines and the third largest freshwater lake in Southeast Asia after Tonle Sap in Cambodia and Lake Toba in Sumatra, Indonesia. It is on the island of Luzon between the provinces of Laguna to the south and Rizal to the north...
  
  
• Laguna Lake Development Authority
  Laguna Lake Development Authority
  The Philippines' Laguna Lake Development Authority abbreviated as LLDA is one of the attached agencies of the Philippines' Department of Environment and Natural Resources responsible in the preservation, development and sustainability of the Laguna de Bay and its 21 major tributary rivers.- History...