CLASSIFIED WATER BODIES
| NAME/ IDENTIFICATION | CLASSIFICATION | REGION | PROVINCE | YEAR CLASSIFIED | NAME OF WATER QUALITY MANAGEMENT AREA (WQMA) | WQMA DENR ADMINISTRATIVE ORDER NUMBER | |
| RIVERS | |||||||
| 1 | AMBAYABANG/AMBAYAOAN | C | 1 | PANGASINAN | 1999 | ||
| 2 | ARINGAY | B | 1 | LA UNION | 1979 | ||
| 3 | BACARRA VINTAR | A | 1 | ILOCOS NORTE | 1979 | ||
| 4 | BALINCAGUIN | B | 1 | PANGASINAN | 1977 | ||
| 5 | BANBAN | A/B | 1 | ILOCOS NORTE | 2003 | ||
| 6 | BARORO | A | 1 | LA UNION | 1977 | ||
| 7 | BUAYA | A | 1 | ILOCOS SUR | 1979 | ||
| 8 | BAUANG | C | 1 | LA UNION | 1975 | ||
| 9 | BULU | A/B | 1 | ILOCOS NORTE | 2000 | ||
| 10 | DAGUPAN | A/C | 1 | PANGASINAN | 1980 | SINOCALAN-DAGUPAN RIVER SYSTEM | 2011-14 |
| 11 | LAOAG | A | 1 | ILOCOS NORTE | 1979 | ||
| 12 | PATALAN (BUED) | C | 1 | LA UNION | 1980 | ||
| 13 | QUIAOIT | C | 1 | ILOCOS NORTE | 2002 | ||
| 14 | SILAG STA.MARIA | A/B | 1 | ILOCOS SUR | 1998 | ||
| 15 | ABRA | A | 1 | ILOCOS SUR | 1976 | ||
| 16 | AGNO | C | 1 | PANGASINAN | 1976 | ||
| 17 | ALAMINOS | C | 1 | PANGASINAN | |||
| 18 | AMBURAYAN | C | 1 | ILOCOS SUR – LA UNION | 1979 | LOWER AMBURAYAN RIVER SYSTEM | 2018-03 |
| 19 | BONGA | A | 1 | ILOCOS NORTE | 1979 | ||
| 20 | CANDON | B | 1 | ILOCOS SUR | 2003 | ||
| 21 | NAGUILLAN/NAGUILIAN | C | 1 | LA UNION | NAGUILIAN RIVER SYSTEM | 2016-18 | |
| 22 | SINOCALAN | C | 1 | PANGASINAN | 1997 | SINOCALAN-DAGUPAN RIVER SYSTEM | 2011-14 |
| 23 | TAGAMUSING | C | 1 | PANGASINAN | 2003 | ||
| 24 | TOBOY | B | 1 | PANGASINAN | 2003 | ||
| MARINE WATER | |||||||
| 1 | LINGAYEN GULF COASTAL WATERS | SB/SC | 1 | PANGASINAN | 2004 |