Water quality
water-quality

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
WhiteRabbit "You'll probably need to correct for differences in sample temperature. i.e. temperature will affect the conductivity of the salt solution. So, to..." | Read more » almost 10 years ago
DavidMack "seems like a good approach. maybe specify the type of salt: fine sea salt, table salt (with iodine), kosher salt (no iodine), or Himalayan pink sa..." | Read more » almost 10 years ago
neilh20 "Hi Don, looks great procedure, and while not knowing if it actually works - it does give a procedure for establishing a range for a specific set of..." | Read more » almost 10 years ago
neilh20 "Hey Donblair - you've got some great posts. The above was from my experience - working with designing a simple water level measurement device. Real..." | Read more » almost 10 years ago
donblair "Thanks, Neil -- this will be a great document to reference, going forward! The water depth measurement, and use of ruler as a an accessible standa..." | Read more » almost 10 years ago
patcoyle "Terrific writeup and results, +1 to above comments. Excellent. " | Read more » almost 10 years ago
straylight "great workshop, really well run and I loved reading about the glitches along the way :) Now you have a prototype working, the next step would be t..." | Read more » almost 10 years ago
kanarinka "Awesome write-up guys - I can't believe how much progress was made in such a short time. I think the audio stuff has so much educational potential ..." | Read more » almost 10 years ago
kanarinka "I got the email notification @warren. So super awesome to see the progress on this " | Read more » almost 10 years ago
mathew "visualizing data is hot right now, but this is some next level $#!%-- in-situ data landscape audiolization--- its so cutting edge the spellchecker ..." | Read more » almost 10 years ago
warren "Great tone difference at around 2:26! I love the idea (discussed with @dorncox) of listening to two of these at different ends of your yard, or up ..." | Read more » almost 10 years ago
donblair "Yay! @mathew: Great! And we already have a pretty nice relevant smt board design -- coin cell powered, with an RGB led and a piezo buzzer: http..." | Read more » almost 10 years ago
warren "@dorncox and I "riffed" on this idea today in Somerville... can we call it the Riffle Cricket, maybe, referencing that cricket chirps encode the ai..." | Read more » almost 10 years ago
mathew "I've been offline for the past four days or I would have been all "THIS! THIS!" immediately. because this is awesome! soooooooooo cool. We should..." | Read more » almost 10 years ago
amysoyka "Are you using a spark labs kit? " | Read more » almost 10 years ago
warren "@kanarinka and I chatted about this idea also at PDF, including found an audio version you could leave a voicemail with at the server to submit dat..." | Read more » almost 10 years ago
warren "Wow, very cool. Does the Arduino monitor it via a light sensor? I also want to test the new callouts feature: @mathew, did you get a notification ..." | Read more » almost 10 years ago
patcoyle "Don, cat videos? - it's likely going viral " | Read more » almost 10 years ago
JSummers "Hi Don, I see no reason why graphite would not work for measuring conductivity. In fact, I think it would work better than most metals since it d..." | Read more » almost 10 years ago
JSummers "Hi Don, Glad to hear that you liked the explanation. I hope to get around to measuring some metals in water before long and once I do, I will publi..." | Read more » almost 10 years ago
donblair "Wondering: would graphite of this sort work well as conductivity probes, too? Do the rod comes in standard diameters? Where would you grab them onl..." | Read more » almost 10 years ago
donblair "Jack, this is fantastic. Very clear explanation! Could we have a follow-up note at some point soon re: e.g. how you might use the WheeStat potent..." | Read more » almost 10 years ago
EdMallon "Despite my zeal for the project, I have tried not to bomb everyone here with the many incremental updates as I go along. But I think I might have p..." | Read more » almost 10 years ago
JSummers "Hi Doug, I am still not entirely clear on what it is that you ultimately want to do. I understand that you wish to prepare a PbO2 surface on graph..." | Read more » almost 10 years ago