Rivers, oceans, lakes, aquifers, groundwater, stormwater, urban canals, underground streams, estuaries, and more -- we are passionate about water quality! This page will help you find resources to explore the waterbodies you care about, and connect with other people who have the same interests: ### Questions on Water Quality: [questions:water-quality] **** ## Monitoring * [Water sampling](/water-sampling) * [Water sensors](/water-sensors) * Posts on #water-monitoring * Posts on #water-testing * Posts on #reagents ## Water quality parameters Read about different water quality parameters here, including pH, nitrogen, conductivity, temperature, ORP and turbidity: * https://publiclab.org/common-water-contaminants Also see this overview of 7 ways to monitorn water quality: * https://publiclab.org/notes/anngneal/12-08-2017/7-ways-to-measure-monitor-and-evaluate-water-quality ## Groups and projects working on water quality issues: [wikis:project:water-quality] **** ## Water quality related pages [wikis:parent:water-quality] **** ## Activities [activities:water-quality]...
| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| read_holman | " Hi @warren -- oh yeah you pointed me to this page a few weeks ago. I think the merging / linking of content is fine. I've kept wanting to go back ..." | Read more » | over 5 years ago | |||
| warren | " Hi @read_holman - there's some information (not nearly as much as you're asking for) up at https://publiclab.org/common-water-contaminants#Lead, w..." | Read more » | over 5 years ago | |||
| asnow | " Compiling ideas we have so far here: https://www.bottlestore.com/plastic-containers/plastic-jugs.html https://www.usplastic.com/catalog/item.asp..." | Read more » | over 5 years ago | |||
| bsugar | "Follow up: I think the issue will be the extent to which you want it to be more durable vs. easy to cut (referring to the one where the square shap..." | Read more » | over 5 years ago | |||
| bsugar | "I wouldn't normally answer a question like this but I just had to see what #babylegs were and what it was that would require them. Now I'm in too ..." | Read more » | over 5 years ago | |||
| imvec | " Once you build a mega-coqui you can then record the audio signal and later analyze it using the free and open source software Audacity Record → h..." | Read more » | over 5 years ago | |||
| Ag8n | " My mistake, it chemiluminesces in the red, not the blue. Sorry about that. " | Read more » | over 5 years ago | |||
| warren | " I made a https://p5js.org sketch of an equalizer -- you can also hover your mouse to see the frequency: https://editor.p5js.org/jywarren/sketches..." | Read more » | over 5 years ago | |||
| warren | " Noting as a reference, this interesting video on making maps of conductivity data! @mimiss " | Read more » | over 5 years ago | |||
| warren | " From a great suggestion from @mimiss I dug up an EQ or equalizer visualization from p5js.org: https://p5js.org/examples/sound-frequency-spectrum...." | Read more » | over 5 years ago | |||
| warren | " @warren has marked @mimiss as a co-author. " | Read more » | over 5 years ago | |||
| Ag8n | " I've used ion chromatography(IC) to analyze for a number of ions, including nitrate and nitrite. The new instruments dedicated to IC are much bet..." | Read more » | over 5 years ago | |||
| Ag8n | "Warren got most of the problems with kjeldahl. Here are a few more. Kjeldahl testing takes some specialty glassware. It's not terribly hard to l..." | Read more » | almost 6 years ago | |||
| warren | "Noting here, a couple ways to approach analyzing Coqui audio data: https://publiclab.org/notes/imvec/06-11-2018/analizing-the-signal-of-the-coqui-..." | Read more » | almost 6 years ago | |||
| asianfanfics68 | " Great blog! I appreciate the efforts you made when writing this article. I hope the best work from you in the future is good. I want to thank you ..." | Read more » | almost 6 years ago | |||
| DrJordanGSET | " A little known group, Quantum Photonic Research & Development, LLC, a start-up, has devised a plan to use a process and a device to limit the ..." | Read more » | almost 6 years ago | |||
| MadTinker | " @warren You know it's pretty sad when I don't catch things like this myself :smiley: I was referring to the raw data. " | Read more » | almost 6 years ago | |||
| warren | "Hi, MadTinker, thanks for the info here. I was just wondering if you meant that the Coqui itself was noisy, or if you're referring to noise in the..." | Read more » | almost 6 years ago | |||
| MadTinker | "I've successfully used the DFRobot TDS/conductivity sensor combined with the a Mini-Pearl system. The Coqui was much too noisy. My Arduino setup wa..." | Read more » | almost 6 years ago | |||
| xose | " This is fantastic. Thanks for the doc! " | Read more » | almost 6 years ago | |||
| warren | " Hi all! With help from @zengirl2, @asnow and @bronwen, we've posted a new Coqui activity with a smaller breadboard and flatter wiring here: https:..." | Read more » | almost 6 years ago | |||
| warren | " Hi all! With help from @zengirl2, @asnow and @bronwen, we've posted a new Coqui activity with a smaller breadboard and flatter wiring here: https:..." | Read more » | almost 6 years ago | |||
| warren | " @warren has marked @asnow as a co-author. " | Read more » | almost 6 years ago | |||
| warren | " I also found recently that a more powerful battery makes it louder, which i guess i could've figured out from the comments above (lol) but, just t..." | Read more » | almost 6 years ago |