CLASSIFIED WATER BODIES
| NAME/ IDENTIFICATION | CLASSIFICATION | REGION | PROVINCE | YEAR CLASSIFIED | NAME OF WATER QUALITY MANAGEMENT AREA (WQMA) | WQMA DENR ADMINISTRATIVE ORDER NUMBER | |
| RIVERS | |||||||
| 1 | ABUAN | C | 2 | ISABELA | 1984 | ||
| 2 | ADDALAM | B | 2 | QUIRINO | 1996 | ||
| 3 | ANUGAY /ANUNGAY | B | 2 | CAGAYAN | |||
| 4 | BALASIG | D | 2 | ISABELA | 1984 | ||
| 5 | BAUA | A/C | 2 | CAGAYAN | 1997 | ||
| 6 | CABICUNGAN | B/C | 2 | CAGAYAN | 1993 | ||
| 7 | CAGAYAN | A/C | 2 | CAGAYAN | 1983 | ||
| 8 | DIBOLUAN | B | 2 | ISABELA | 2003 | ||
| 9 | DISABUNGAN | C | 2 | ISABELA | 1984 | ||
| 10 | DUMON | B | 2 | CAGAYAN | 2003 | ||
| 11 | GANANO | C | 2 | QUIRINO | 1983 | ||
| 12 | ILGAN | C | 2 | ISABELA | 1984 | ||
| 13 | LINAO | C | 2 | CAGAYAN | 2014 | ||
| 14 | MAGAT | C | 2 | NUEVA VISCAYA | 1983 | ||
| 15 | MATALUG/MATALAG | C | 2 | CAGAYAN | 2003 | ||
| 16 | MATUNO | C | 2 | NUEVA VISCAYA | 1984 | ||
| 17 | PALANAN PINACANAUAN | D | 2 | ISABELA | 1984 | ||
| 18 | PALAWIG | A/C | 2 | CAGAYAN | 1998 | ||
| 19 | PAMPLONA | B/C | 2 | CAGAYAN | 1997 | ||
| 20 | PARED | C | 2 | CAGAYAN | 1983 | ||
| 21 | PINACANAUAN | D | 2 | ISABELA | 1984 | ||
| 22 | SIFFU MALLIG | C | 2 | ISABELA | 1983 | ||
| 23 | ZINUNDUNGAN | C | 2 | CAGAYAN | 2004 | ||
| 24 | STA. FE | C | 2 | NUEVA VISCAYA | 1984 | ||
| 25 | TUGUEGARAO | B/C | 2 | CAGAYAN | 1983 | ||
| 26 | TUMAUINI | D | 2 | ISABELA | 1984 | ||
| 27 | ABULUG | C | 2 | CAGAYAN | 2004 | ||
| 28 | ABUYO | C | 2 | NUEVA VIZCAYA | 1999 | ||
| 29 | APAGONAN | C | 2 | APARRI CAGAYAN | 2012 | ||
| 30 | CADCADIR/GURON | B | 2 | CAGAYAN | 2004 | ||
| 31 | CASAMBALANGAN | C | 2 | CAGAYAN | 2005 | ||
| 32 | CASECNAN | C | 2 | NUEVA VIZCAYA | 2000 | ||
| 33 | CHICO | C | 2 | CAGAYAN | 2005 | ||
| 34 | DIADI | C | 2 | ISABELA | 1983 | CALAO-DELIQUENTE-DIADI RIVER SYSTEM | 2015-13 |
| 35 | DIDIPIO | D | 2 | NUEVA VIZCAYA | 2008 | ||
| 36 | DIORA | C | 2 | CAGAYAN | 2010 | ||
| 37 | KINALABASAN | C | 2 | 2016 | |||
| 38 | LINTUNGAN | B/C | 2 | 2016 | |||
| 39 | MALLIG | C | 2 | ISABELA | 2006 | ||
| 40 | MARANG | C | 2 | NUEVA VIZCAYA | |||
| 41 | MASISIT | C | 2 | CAGAYAN | 2008 | ||
| 42 | MISSION | C | 2 | CAGAYAN | 2006 | ||
| 43 | PATA | C | 2 | CAGAYAN | 2004 | ||
| 44 | PARANA | C | 2 | CAGAYAN | 2015 | ||
| 45 | TANGATAN | C | 2 | CAGAYAN | 1995 | ||
| 46 | WANGAG (ANUNGAY) | B | 2 | CAGAYAN | 2003 | ||
| 47 | PASA RIVER | C | 2 | ISABELA | 2014 | ||
| 48 | RUGAO RIVER | C | 2 | ISABELA | 2014 | ||
| 49 | SULONG RIVER | C | 2 | 2016 | |||
| 50 | BALIUAG | C | 2 | CAGAYAN | 2015 | ||
| 51 | PINACANAUAN DE SAN PABLO | C | 2 | ISABELA | 1984 | ||
| 52 | UPPER PARED | B/C | 2 | CAGAYAN | |||
| 53 | Camgat-Surong River | C | 2 | Kasibu, Nueva Vizcaya | |||
| 54 | Dinauyan River | B | 2 | Kasibu, Nueva Vizcaya |
UNCLASSIFIED WATER BODIES
| NO. | REGION | NAME / IDENTIFICATION | TARGET YEAR |
| 1 | 2 | Gonzaga Bay | 2018 |
| 2 | 2 | St. Ana Bay | 2018 |
| 3 | 2 | Maconacon (Dikatayan) River | 2019 |
| 4 | 2 | Taboan River | 2019 |