| Skotnesvassdraget | Nordland, Norway | 2 | 2 | 0 | 2002-09-13 | |
| Skranevatnet | Vestland, Norway | 10 | 2 | 2 | 2013-05-30 | |
| Skulbruvatn | Nordland, Norway | 4 | 4 | 0 | 1997-09-12 | |
| Skårsvatnet | Vestland, Norway | 3 | 3 | 0 | 1995-09-15 | |
| Skåtavatnet | Vestland, Norway | 6 | 6 | 0 | 2013-09-27 | |
| Smertudammen | Østfold, Norway | 1 | 1 | 0 | 2017-08-29 | |
| Småtjern | Akershus, Norway | 1 | 1 | 0 | 2012-08-30 | |
| Snartlandstjønna | Telemark, Norway | 1 | 1 | 0 | 2005-08-31 | |
| Sognsvann | Oslo, Norway | 5 | 5 | 0 | 2012-09-19 | |
| Solheimsvannet | Vestland, Norway | 1 | 1 | 0 | 2014-09-17 | |
| Sommerfjøs-myra | Møre og Romsdal, Norway | 3 | 3 | 0 | 2013-09-15 | |
| Sorpetjørn | Rogaland, Norway | 8 | 8 | 0 | 2013-09-24 | |
| Spildervatnet | Nordland, Norway | 4 | 3 | 0 | 1997-09-03 | |
| Stavsjø | Innlandet, Norway | 26 | 9 | 0 | 1991-06-09 | |
| Stignavatnet | Vestland, Norway | 1 | 1 | 0 | 2002-04-16 | |
| Stikla | Østfold, Norway | 2 | 2 | 0 | 1994-06-08 | |
| Stikletjern | Østfold, Norway | 7 | 5 | 0 | 1996-08-19 | |
| Stokkdalstjønna | Trøndelag, Norway | 1 | 1 | 0 | 2015-06-08 | |
| Stokkedammen | Trøndelag, Norway | 7 | 7 | 0 | 2013-09-12 | |
| Storavatnet | Vestland, Norway | 13 | 5 | 0 | 1993-09-02 | |
| Stordammen | Akershus, Norway | 5 | 3 | 0 | 1989-09-08 | |
| Store Bjørnevatnet | Agder, Norway | 4 | 4 | 0 | 1989-08-30 | |
| Store Nesttunvann | Vestland, Norway | 3 | 3 | 0 | 2013-04-23 | |
| Storeidvatnet | Nordland, Norway | 1 | 1 | 0 | 1998-09-07 | |
| Storelva skole | Troms, Norway | 7 | 7 | 0 | 2013-09-06 | |
| Storsteinen, Jurdalen, Napp | Nordland, Norway | 1 | 1 | 0 | 2013-09-27 | |
| Stortjønna Andås | Nordland, Norway | 1 | 1 | 0 | 2013-09-12 | |
| Strand ved VBU | Innlandet, Norway | 3 | 3 | 1 | 2015-08-24 | |
| Strupen, Halsa | Nordland, Norway | 2 | 2 | 0 | 2013-09-26 | |
| Stølevannet | Vestland, Norway | 2 | 2 | 0 | 1995-10-18 | |
| Sundkilen | Telemark, Norway | 4 | 4 | 0 | 1989-09-07 | |
| Svalvann | Nordland, Norway | 1 | 1 | 0 | 2006-08-06 | |
| Svanevatnet | Rogaland, Norway | 15 | 8 | 0 | 1993-05-26 | |
| Svartaholtjørnet | Vestland, Norway | 54 | 14 | 0 | 1996-09-17 | |
| Svartebukta | Nordland, Norway | 1 | 1 | 0 | 2013-09-20 | |
| Svartåstjern | Buskerud, Norway | 1 | 1 | 0 | 1994-06-06 | |
| Sæbyvannet | Østfold, Norway | 2 | 2 | 0 | 2002-05-30 | |
| Sætertjern | Akershus, Norway | 17 | 13 | 0 | 1996-10-24 | |
| Sætre skole | Akershus, Norway | 6 | 5 | 0 | 2013-09-27 | |
| Søndre Aas gård, Holmlia | Oslo, Norway | 2 | 2 | 0 | 2013-06-17 | |
| Takseråsdal | Agder, Norway | 3 | 3 | 0 | 2013-09-18 | |
| Tangane | Telemark, Norway | 1 | 1 | 0 | 2013-09-20 | |
| Tjedn ved Belgjinøse på Slettefjellet | Innlandet, Norway | 2 | 2 | 0 | 2013-09-03 | |
| Tjenna | Agder, Norway | 1 | 1 | 0 | 2013-09-12 | |
| Tjennane | Telemark, Norway | 12 | 5 | 0 | 1995-09-13 | |
| Tjern ved Herlandsvatnet | Vestland, Norway | 6 | 6 | 0 | 2013-09-13 | |
| Tjødnet ved ungdomsskulen | Vestland, Norway | 1 | 1 | 0 | 2006-06-09 | |
| Tjønnmoen | Innlandet, Norway | 4 | 4 | 0 | 2013-09-23 | |
| Tjønnmostua | Innlandet, Norway | 4 | 4 | 0 | 2013-09-23 | |
| Tjørnadalstjørni (Vaksdal, Bergsdalen) | Vestland, Norway | 1 | 1 | 0 | 2012-09-18 | |
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