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
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
Nitrous "Thanks Jack, In its simplest form, I need to set a voltage (2.2v) and keep it there for an extended period of time but in more elegant forms, being..." | Read more » almost 10 years ago
JSummers "Hi Doug, I am not sure what kind of multi-potential steps you would want to do. Right now we can do a number of voltage profiles, including voltag..." | Read more » almost 10 years ago
Nitrous "Hi there, Very interesting project. Does this software offer multi-potential steps mode for the GUI? I'm interested in making some lead dioxide on ..." | Read more » almost 10 years ago
eustatic "definitely include how these photos were taken. Cool! " | Read more » almost 10 years ago
mathew "I take it the idea is to get the red/blue flashing really fast, making a gradient red-->magenta--->blue depending on the resistance of the th..." | Read more » almost 10 years ago
mathew "WARNING: do not, under ANY CIRCUMSTANCES get distracted by searching e-bay for vintage Hygrothermographs. " | Read more » almost 10 years ago
donblair "Also: how hard would it be to rig up some sort of 'pen' that connects to a 555 and writes out a 'record' of the conductivity on some physical mediu..." | Read more » almost 10 years ago