| h2oke.nl | H2Oké Water & Health Advice | The organization has expertise in analyzing and managing risks in swimming water. | Environmental Services → Water Treatment 265 Nature Conservation → Water Management 1138 | policy 2149 water 2501 health 6366 event 45199 | |
| odnhn.nl | Omgevingsdienst Noord-Holland Noord | Information on the quality of swimming water is available. | Nature → Environmental Management 529 Environment → Environmental Agency 31 | nuisance 94 damage 1562 environment 4873 vacancy 6598 news 15293 | North-Holland → Hoorn 3090 |
| ofgv.nl | Flevoland & Gooi and Vechtstreek Environmental Services | The website of the Flevoland & Gooi and Vechtstreek Environmental Services (OFGV) provides information regarding environmental aspects and policies for the Flevoland and Gooi and Vechtstreek region. | Law → Environmental Law 503 Environment → Environmental Agency 31 | environmental regulation 17 asbestos 387 soil 930 environment 4873 municipality 6837 | North-Holland → Gooi and Vechtstreek 283 |
| hetmineraal.nl | Het Mineraal | Het Mineraal is a swimming complex offering swimming lessons, activities, and warmwater therapy. | Swimming → Swimming Lessons 276 Garden → Swimming Pools 601 | swimming instructor 20 swimming lesson 393 | Flevoland → Almere 7765 |
| navah.nl | Naturisten Camping Abtswoudse Hoeve | The website of Naturisten Camping Abtswoudse Hoeve provides information about the campsite, including facilities, activities, rates and membership. | Campsites → Nature Campsites 33 | seasonal pitch 24 parking area 51 campsite 2093 membership 10442 | |
| watersporteuropa.nl | Watersport Europa | Watersport Europa is an internet site that provides information about watersports, destinations and facilities in Europe. | Boating → Marinas 825 Water → Lakes 232 | watersport 540 holiday 2295 beach 3210 accommodation 4921 travel 7210 | Friesland → Ameland 930 |
| ovaborn.nl | OVA-Born | The website contains information about the future of swimming water in the Born and Sittard-Geleen region. | Diving → Diving Clubs 142 | diving club 55 event 45199 | Sittard-Geleen → Geleen 978 |
| nuvi2o.nl | Hellebrekers | The system is designed to keep swimming water safe and clean for a wide audience, including people with sensitive skin. | Water Activity → Swimming 1402 Environmental Services → Water Treatment 265 | | Gelderland → Nunspeet 1366 |
| sugar-valley.nl | SIBO Fluidra Netherlands B.V. | The goal of the systems is to ensure safe and healthy swimming water. | Water & Environmental → Water Technology 198 Installation & Mounting → Installers 1007 | water treatment 166 control 911 pool 1532 | |
| vakantiewoning-nijmegen.nl | ‘t Broeckhuys Holiday Park | The website offers holiday homes for rent in the Ewijk, Nijmegen, Wijchen and Beuningen area, with a focus on houses suitable for dogs and located directly on a lake with swimming water. | Water → Lakes 232 Accommodation → Holiday Parks 1024 | lake 352 internet 1678 park 1863 holiday home 2753 garden 13129 | Gelderland → Nijmegen 9384 |
| slingerland-spar.nl | Slingerland-SPAR | The activities of Slingerland-SPAR are specifically focused on the inspection and treatment of swimming water. | Environmental Services → Water Treatment 265 Nature Conservation → Water Management 1138 | water quality 145 environmental law 164 water treatment 166 training courses 224 swimming pool 1664 | |