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 | ||
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EdMallon | "This latest update was motivated by several factors but the most important ones were: (1) Our own project has grown to the point that every fieldwo..." | Read more » | almost 3 years ago | |||
liz | "What kind of net is used to sample for plankton? Is it more finely woven than the nylon "babylegs" tights or different in any way? If so, can we sw..." | Read more » | almost 3 years ago | |||
liz | "What a fantastic update! It's great to hear from you @EdMallon. An underwater logger running for a year on a single coin cell battery?? COOL. Taggi..." | Read more » | almost 3 years ago | |||
liz | "I got in touch with the author of the Grist article as we know each other from civic tech days in NYC. She stated that she has continuing interest ..." | Read more » | almost 3 years ago | |||
Ag8n | "Believe it or not, during the seaon, this is on the weather segment of the local news. The local water intakes (Cleveland) are often threatened by..." | Read more » | almost 3 years ago | |||
EdMallon | " It’s been a long time since I posted, and you’d be forgiven for thinking the Cave Pearl Project was yet another victim of COVID. While the attend..." | Read more » | almost 3 years ago | |||
liz | "For detecting temperature change in waterbodies, see: thermal "fishing bob" $5 diy sensor, then you take a timelapse of its color change as it is..." | Read more » | almost 3 years ago | |||
liz | "Looks like Harmful Algae Blooms are top of the list of direct threat to public health posed by the release of hot water into Lake Seneca. Summariz..." | Read more » | almost 3 years ago | |||
hspencer22 | "Yes, they absolutely wanted the trail to be hard to follow. I did acquire the sample results that were given to the city from the lab they contract..." | Read more » | almost 3 years ago | |||
Ag8n | "The results you were given aren't "top of the line". To be honest, the book keeping is kind of shoddy. Normally, there would be reference to the t..." | Read more » | almost 3 years ago | |||
warren | "Thank you for the links and the explanations!!! " | Read more » | almost 3 years ago | |||
Ag8n | "We also used graphite furnace AA, also called GFAA. One common analytical instrument is ICP (inductively coupled plasma). I've used them a couple..." | Read more » | almost 3 years ago | |||
Ag8n | "Another reference. "Some recent developments in atomic fluorescence spectrosopy" by T.S.West Analytical Chemistry, ( presented at 26 th internati..." | Read more » | almost 3 years ago | |||
Ag8n | "Here are a couple of reference: "Studies in atomic fluorescence spectroscopy -III:microwave excited electrodeless discharge tubes as spectral sour..." | Read more » | almost 3 years ago | |||
warren | "Hmm... I guess it seems like a tough setup for my skill set. What does the microwave version look like? " | Read more » | almost 3 years ago | |||
Ag8n | "You know, getting a couple of these that could be "disposable" might not be a bad idea. Working with 400 volts isn't a terribly high voltage, but ..." | Read more » | almost 3 years ago | |||
Ag8n | "That looks like a hollow cathode lamp. We used perkin elmer, not fisher, so there could be differences. The lamp should have the element it can d..." | Read more » | almost 3 years ago | |||
Ag8n | "Aanalyst (a model of atomic absorption spectrometer that we had)hollow cathode lamps new are running for about $350. So when there are hollow cat..." | Read more » | almost 3 years ago | |||
Ag8n | "That looks like a hollow cathode lamp. But there are other kinds. It should have the element on the base plus usually the operating current range..." | Read more » | almost 3 years ago | |||
warren | "https://www.sciencedirect.com/science/article/abs/pii/0039914070800819 " | Read more » | almost 3 years ago | |||
warren | "Interesting. It's like a high power version of this? https://www.ebay.com/itm/324819370181 Does this take high voltage to run? " | Read more » | almost 3 years ago | |||
Ag8n | "I worked a lot on lead with atomic aborpion(AA) and related techniques. The two lead lines we normally used were 283 nm and 214 nm. Of course, the..." | Read more » | almost 3 years ago | |||
Ag8n | "The first article from" research gate "is a little more interesting. It has lead forming something similar to chelates. The summary of the articl..." | Read more » | almost 3 years ago | |||
Ag8n | "The last paper mentioned above is(I think) using chemiluminesence to generate the light(Flouescent detection of lead in... ByYan- Shiuan Wu, Et a..." | Read more » | almost 3 years ago |