Water quality
water

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
mathew "Great progress! I would bet that the screws you used before were transferring ions to the water, and that the stainless corrodes more slowly. Loo..." | Read more » almost 9 years ago
EdMallon "Hi everyone, Just a quick note to say the first gen loggers survived their initial 3 month deployment giving us real water flow data, (6m depth,~ ..." | Read more » about 9 years ago
EdMallon "Hi everyone. I just wanted to post an update as I have done some major code development for the Cave Pearl data logger recently, and a weeks wor..." | Read more » about 9 years ago
EdMallon "Hi Warren. Nice to meet you. Wrt cross posting, I am wondering about the content that would be most helpful to the audience here, as I interwove (w..." | Read more » about 9 years ago
warren "Also see this newly posted discussion of dragging underwater loggers: http://publiclab.org/notes/maxliboiron/02-11-2014/underwater-plume-sampling-m..." | Read more » about 9 years ago
warren "Wow, very cool, Ed. Would you be able to cross-post your blog here? How could we make that easier for you? I think a lot of folks here would be int..." | Read more » about 9 years ago
eustatic "Ed, see my note, excited about this effort. http://publiclab.org/notes/eustatic/3-27-2012/thoughts-water-sensing-needs-non-profits-louisiana " | Read more » about 9 years ago
eustatic "cool!!!! " | Read more » about 9 years ago
liz "wow, great write-up, thanks! " | Read more » about 9 years ago
donblair "Update: Amherst College has posted a follow-up on their Facebook page, here: https://www.facebook.com/amherstcollege/posts/690441407761 " | Read more » about 9 years ago
warren "I ended up trying some semi-opaque plastic but indeed the light has to be really strong as a result: http://publiclab.org/notes/warren/07-31-2013/m..." | Read more » over 9 years ago
warren "Hi, Jane - you'd been banned due to an error, and I unbanned you. Sorry! " | Read more » over 9 years ago
warren "Hi, Jane - Can you share a photo of your setup? I think if you used a more diffuse light source, you might get cleaner data. Did you upload data to..." | Read more » over 9 years ago
philippg "@warren: as sensitivity is my main concern, i'd really avoid masking even more intensity. i'm currently experimenting a bit with possible diffusors..." | Read more » over 9 years ago
warren "Instead of a calibrated light source, what about scanning a sample and non-sample simultaneously, so that you can actually measure the input light ..." | Read more » over 9 years ago
philippg "@straylight: 'How much water depth (or column depth) is typically analysed when looking for the chlorophyll-A using absorbance ? Is it in the order..." | Read more » over 9 years ago
webbhm "I volunteer with LMVP (Lakes of Missouri Volunteer Program), and they conduct water quality monitoring. Their algae sampling is quite formal, wher..." | Read more » over 9 years ago
straylight "wow, what a great sounding project Philipp. I like your thinking. Taking an average over 10 or more rows of the camera image is really good. The i..." | Read more » over 9 years ago
eustatic "this is cool. I'm in the Gulf Coast of the United States. We have a large algal bloom that happens every year, as well as a lot of nitrate waste ..." | Read more » over 9 years ago
philippg "hey wattminder, what kind of contaminants can be expected? if they have a specific optical signature, then they can be detected with optical spect..." | Read more » over 9 years ago
wattminder "Hi Philip, This is very interesting and timely. California is now experiencing a huge boom in Hydraulic Fracturing, a practice that employs water a..." | Read more » over 9 years ago
kearnsjp "Cool - thanks! " | Read more » about 10 years ago
warren "Hi, i think this had been held in moderation but I approved it. Sorry for the delay! " | Read more » about 10 years ago