Philippines is covered by 92 guides on this site — most recently updated Oct 12, 2026. Each guide combines local discharge standards, engineering specs and cost benchmarks for industrial and municipal wastewater projects.
DAO 2016-08 Effluent Tables vs DAO 2021-19 Updates
DAO 2016-08 Table 9 still sets Class C inland BOD at 50 mg/L, COD at 100 mg/L, and TSS at 100 mg/L. DAO 2021-19 updates ammonia, phosphate, copper, boron, fecal coliform, and sulfate only; Class C NH…
DAO 2016-08 Industrial Effluent Limits Philippines: 2026 Compliance Guide
DAO 2016-08 sets Philippine industrial effluent limits by receiving-water class in Table 9. For Class C, GES include BOD ≤ 50 mg/L, COD ≤ 100 mg/L, TSS ≤ 100 mg/L, pH 6.0–9.5, and mercury ≤ 0.004 mg/…