9.9 Appendix A: Lake data
Table 2: Water quality and ecological data for the 31 lakes in the Lake Water Quality Monitoring Network and Lake Omapere including upper NRC sampling site, site location (New Zealand Transverse Mercator) trophic level index (TLI) score, trophic status, LakeSPI percentage score and ecological condition ranking.
| Aupouri | Site | Easting | Northing | TLI | Status | LakeSPI% | Cond ranking |
| Carrot | 107776 | 1617103 | 6124469 | 4.87 | Eutrophic | 60 | High |
| Heather | 101031 | 1617689 | 6121305 | 3.66 | Mesotrophic | 22 | High |
| Morehurehu | 101908 | 1599734 | 6166636 | 3.7 | Mesotrophic | 51 | Outstanding |
| Ngakapua (North) | 108242 | 1617483 | 6124853 | 3.93 | Mesotrophic | 49 | Moderate-High |
| Ngakapua (South) | 101913 | 1617570 | 6124668 | 4.13 | Eutrophic | 46 | Moderate-High |
| Ngakeketa North | 108620 | 1577785 | 6180516 | 4.39 | Eutrophic | 66 | High |
| Ngatu | 101032 | 1618124 | 6122985 | 3.82 | Mesotrophic | 65 | Outstanding |
| Rotokawau | 106734 | 1618821 | 6124849 | 4.14 | Eutrophic | 56 | Moderate-High |
| Rotoroa | 100425 | 1617883 | 6120400 | 3.87 | Mesotrophic | 25 | High |
| Te Kahika | 101909 | 1600106 | 6168707 | 2.77 | Oligotrophic | NA | Outstanding |
| Te Paki | 108230 | 1581037 | 6178905 | 3.73 | Mesotrophic | 97 | Outstanding |
| Wahakari | 100410 | 1593521 | 6165291 | 3.97 | Mesotrophic | 80 | Outstanding |
| Waihopo | 108232 | 1603957 | 6154018 | 4.04 | Eutrophic | 54 | Outstanding |
| Waipara | 108240 | 1586635 | 6172824 | 3.28 | Mesotrophic | NA | Moderate |
| Waiparera | 101033 | 1616351 | 6133188 | 4.47 | Eutrophic | 48 | Moderate-High |
| West Coast Road | 108707 | 1616741 | 6123403 | 5.95 | Supertrophic | NA | High |
| Central & Karikari | Site | Easting | Northing | TLI | Status | LakeSPI% | Cond ranking |
| Omapere | 106461 | 1673276 | 6088407 | 6.37 | Hypertrophic | NA | Low |
| Waiporohita | 101930 | 1631763 | 6137937 | 5.62 | Supertrophic | 93 | Outstanding |
| Kai iwi | Site | Easting | Northing | TLI | Status | LakeSPI% | Cond ranking |
| Kai-iwi | 100438 | 1659037 | 6036328 | 3.19 | Mesotrophic | 83 | Outstanding |
| Taharoa | 100442 | 1658316 | 6037090 | 2.36 | Oligotrophic | 82 | Outstanding |
| Waikere | 100448 | 1656853 | 6038145 | 2.97 | Oligotrophic | 79 | Outstanding |
| Pouto | Site | Easting | Northing | TLI | Status | LakeSPI% | Cond ranking |
| Humuhumu | 101379 | 1701253 | 5978969 | 3.66 | Mesotrophic | 81 | Outstanding |
| Kahuparere | 101367 | 1703965 | 5974380 | 4.23 | Eutrophic | 88 | High |
| Kapoai | 108634 | 1675020 | 6010692 | 6.09 | Hypertrophic | NA | Low-Moderate |
| Kanono | 101369 | 1702592 | 5975202 | 4.02 | Eutrophic | 76 | Outstanding |
| Karaka | 108347 | 1693273 | 5980792 | 4.73 | Eutrophic | 83 | High |
| Mokeno | 100593 | 1695144 | 5976511 | 3.96 | Mesotrophic | 83 | Outstanding |
| Rotokawau | 101373 | 1702973 | 5976737 | 3.31 | Mesotrophic | 41 | High |
| Rototuna | 101375 | 1693437 | 5987648 | 4.41 | Eutrophic | 76 | High |
| Wainui | 108346 | 1679349 | 6004457 | 4.9 | Eutrophic | 80 | Moderate-High |
| Wairere | 108641 | 1691585 | 5984453 | 5.4 | Supertrophic | NA | Moderate-High |
| Whakaneke | 108643 | 1695160 | 5974605 | 5.78 | Supertrophic | NA | High |
Table 3: Water quality and ecological data for all other lakes in Northland monitored in the last five years including upper NRC sampling site, site location (NZTM), estimated trophic level index (TLI) score, trophic status, LakeSPI percentage score and ecological condition ranking.
| Aupouri | Site | Easting | Northing | TLI | Status | LakeSPI% | Cond ranking |
| Austria | NA | 1584726 | 6174708 | NA | NA | 46 | Moderate |
| Bulrush | 101910 | 1599692 | 6159296 | NA | NA | NA | Low |
| Forest HQ | 101912 | 1617426 | 6125182 | 4.8 | Eutrophic | NA | Low |
| Little gem by Ngatu | NA | 1617747 | 6122596 | NA | NA | 57 | Outstanding |
| Half Mile Lagoon | NA | 1617390 | 6118790 | NA | NA | NA | Low |
| Katavich | NA | 1614995 | 6133225 | NA | NA | NA | Low |
| Kihona | 101907 | 1590973 | 6168112 | 4.55 | Eutrophic | 16 | Low |
| Mini | 105083 | 1617346 | 6118386 | NA | NA | NA | Low |
| Morehurehu South | NA | 1600485 | 6165737 | NA | NA | 57 | Moderate-High |
| Ngakeketa South | 100996 | 1579030 | 6180278 | 4.44 | Eutrophic | 17 | Low |
| Ngatuwhetu | 108231 | 1589438 | 6173746 | 4.1 | Eutrophic | 41 | Low |
| Pretty | 108241 | 1584432 | 6173153 | 3.46 | Mesotrophic | 95 | Moderate |
| Salt | 101911 | 1602278 | 6159460 | 5.4 | Supertrophic | NA | Low |
| Te Arai wetland/pond | NA | 1598022 | 6159812 | NA | NA | NA | Moderate |
| Te Arai Lake | NA | 1597154 | 6159761 | NA | NA | NA | Low |
| Te Werahi Lagoon | NA | 1573420 | 6184962 | NA | NA | 37 | Low |
| Waimimiha North | 101914 | 1615468 | 6110685 | 6.8 | Hypertrophic | NA | Low |
| Waimimiha South | NA | 1615561 | 6110795 | NA | NA | NA | Low |
| Waitahora Lagoon | NA | 1582837 | 6187464 | NA | NA | NA | Outstanding |
| Waitahora lakes | NA | 1583187 | 6187509 | NA | NA | NA | Outstanding |
| Karikari | Site | Easting | Northing | TLI | Status | LakeSPI% | Cond ranking |
| Rotokawau East | 100435 | 1629275 | 6141208 | 6.9 | Hypertrophic | NA | Moderate |
| Rotokawau West | 100432 | 1627975 | 6141304 | 6.52 | Hypertrophic | NA | Moderate |
| Rotopokaka (Cola) | 105413 | 1635006 | 6132588 | 4.82 | Eutrophic | NA | Moderate |
| Central & Southern | Site | Easting | Northing | TLI | Status | LakeSPI% | Cond ranking |
| Jacks | 108243 | 1684545 | 6083544 | 4.73 | Eutrophic | 50 | Low |
| Mangawhai | NA | 1742178 | 6004872 | 4.06 | Eutrophic | NA | NA |
| Manuwai | 101985 | 1678437 | 6107774 | 3.31 | Mesotrophic | NA | Low |
| Ora | NA | 1716200 | 6049022 | NA | NA | NA | Low |
| Owhareiti | 101989 | 1685502 | 6083555 | 4.97 | Eutrophic | 16 | Low |
| Ruakaka | 108786 | 1731493 | 6027263 | 6.49 | Hypertrophic | NA | NA |
| Waingaro | 101981 | 1679774 | 6097659 | 2.13 | Oligotrophic | NA | Low |
| Waro | 108784 | 1716828 | 6061273 | 2.69 | Oligotrophic | 50 | Moderate-High |
| Kai iwi | Site | Easting | Northing | TLI | Status | LakeSPI% | Cond ranking |
| Freidrichs | NA | 1668632 | 6022433 | NA | NA | 57 | Low |
| McEnvoy | NA | 1666781 | 6023612 | NA | NA | NA | Low |
| Midgeley | 108348 | 1664170 | 6028099 | 4.47 | Eutrophic | 66 | Moderate-High |
| Shag | 100442 | 1658316 | 6037090 | NA | NA | NA | Low |
| Te Riu | 100448 | 1656853 | 6038145 | 2.03 | Oligotrophic | 96 | High |
| Waingata - Waipoua | 108967 | 1642989 | 6053766 | 2.13 | Oligotrophic | 80 | High |
| Pouto | Site | Easting | Northing | TLI | Status | LakeSPI% | Cond ranking |
| Grevilles Lagoon | NA | 1674139 | 6011706 | NA | NA | NA | Moderate |
| Parawanui | 101416 | 1676596 | 6008803 | 6 | Hypertrophic | NA | Low |
| Phoebes | NA | 1696918 | 5981917 | NA | NA | NA | Low |
| Roto-otuauru (Swan) | 101377 | 1702363 | 5978672 | 3.9 | Mesotrophic | 21 | Moderate |
| Waingata - Pouto | 101371 | 1703387 | 5976524 | 5.02 | Supertrophic | NA | Low |