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
belkinsa "I'm planning to do this but over time, maybe a year to start with. It looks like this was done just a one time thing. Is there anything to look for..." | Read more » 19 days ago
hughescaroline498 "It looks so much beautiful! " | Read more » about 2 months ago
Ag8n "Now, to change the topic a little bit. What happens once all this testing gets going? In industry, a financial auditor appears and says " you are..." | Read more » about 2 months ago
Ag8n "There are variations on the method, but check out the USP if using for medical applications. The oldest is a straight " gel clot". The sample is ..." | Read more » about 2 months ago
Ag8n "In case this work is not successful and the mining continues, how can you minimize the damage done by the mining? " | Read more » 2 months ago
Ag8n ""Pharmacopeia online" is at " uspbpep.com". " | Read more » 3 months ago
yeswarmg "Cat clothes Sometimes, dressing up your cat is just for fun. It's really cool to equip your cat in handsome clothes during the holidays, parties, ..." | Read more » 3 months ago
abiyjohn "hello so nice post, you gave very important information about like White Oak Lake in northern Minnesota, our Public Lab fellowship hosted a biobli..." | Read more » 3 months ago
livingenaanasebh "wow this is wondeful " | Read more » 4 months ago
Ag8n "The Wikipedia article is an interesting read. The initial data said horseshoe crab mortality from L.A.L. testing should be about 3%. However, rec..." | Read more » 4 months ago
Ag8n "Here's where life gets a bit interesting. There are substances called pyrogens. These cause a fever, sometimes severe, even if the carrier bacteri..." | Read more » 4 months ago
Ag8n "As a refresher, read USP 31, <1231>"Water for Pharmaceutical Purposes". This is available, for free, from Pharmacopeia online, as mentioned ..." | Read more » 4 months ago
Ag8n "Error here. It should not be objective c, as noted above. It should be some plastics are showing higher extractables than bulk water. Something..." | Read more » 5 months ago
Ag8n "Getting a hold of the USP used to be difficult and expensive. While current USP may still be expensive, here is a source for older versions. "Pha..." | Read more » 5 months ago
Ag8n "USP/BP/EP means United States Pharmacopoeia,BP is British Pharmacopoeia, and EP is European Pharmacopoeia. Sections of the USP are divided into mo..." | Read more » 5 months ago
Ag8n "The CO2 produced can be measured several ways. Each method has advantages and disadvantages and depends on the final use of the instrument. For exa..." | Read more » 5 months ago
Ag8n "If you want an overview of TOC, Wikipedia is a good start. The current article seems pretty thorough ( dated 19 July 2022 by 75.143.92.215). Any c..." | Read more » 5 months ago
Ag8n "Previous methods could be somewhat hazardous. To give an example, ammonia related chemicals often work their way into drug compounds. It can be f..." | Read more » 5 months ago
Ag8n "Going back over this. We did a lot of work with total organic carbon (TOC). According to Dr. Paul Whitehead at egalabwater.com (the blog title is..." | Read more » 5 months ago
liz "The moratorium bill has passed the NY State Senate and NY State Assembly, and is en route to the governor: https://www.nysenate.gov/legislation/bil..." | Read more » 5 months ago
bhamster "Thanks @Ag8n! I ended up using a lens from an old laser pointer after discovering that the CD/DVD drive lens was really small (only a couple millim..." | Read more » 6 months ago
Ag8n "Very impressive! Which plastic lens did you use? The one from the computer drive or the one from a laser pointer? Thank you!! " | Read more » 6 months ago
bhamster "I did this! Here's a photo of my microscope in action (without the smartphone, because I needed it to take the photo...). The tiny yellow-ish spec..." | Read more » 6 months ago
kadamaarambh08 "Please Visit :- Ethical hacking training in pune " | Read more » 6 months ago