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Water quality

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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:

Title Author Updated Likes Comments
What groups or agencies are looking at the intersections of land/soil management and ocean pollution? @laurel_mire about 1 month ago 1
Tips about seeking funding for water testing? @Greenhorns about 2 months ago 6
Water testing protocols for Sulfide Mining? @Greenhorns about 2 months ago 1
As soil and water share similar pollution problems, what research methods can be shared between them? @alejobonifacio about 2 months ago 11
What kind of spatial acidity variation could be evidence of pollution source in a river? @warren 3 months ago 6
Who is a specialist in our area on water quality/pollution? @Wendydelgado 5 months ago 1
Does anyone have any concerns regarding the water quality in New Orleans? @stevie 5 months ago 3
What are the differences in water quality in various bodies of water in the New Orleans area? @Chickynuggies02 6 months ago 2
Is Bayou water cleaner than river water? @pawpatrol 6 months ago 2
How can I test whether beach foam is natural or potential pollution? @bhamster about 1 year ago 5
Will high turbidity levels affect the babylegs trawl? @stevie about 1 year ago 1
What are ways to monitor for oil and gas spills on private property? @stevie about 1 year ago 3
Looking for water controller resource @lanesharman over 1 year ago 1
Are there examples where environmental concerns were addressed as a result of people filing complaints (or suspected permit violations)? @stevie over 1 year ago 7
How can you tell if a sheen on water is bacterial or petroleum (oil)? @stevie over 1 year ago 2
Why do individuals/organizations want to collect water quality data? @wmacfarl over 1 year ago 3
What water quality data can we collect to investigate oil/gas pollution? @wmacfarl over 1 year ago 2
How can I calibrate a turbidity sensor? @wmacfarl over 1 year ago 4
Are there simple tests for nitrates in well water? @stevie over 1 year ago 10
DFRobot Turbidity Sensor Troubleshooting @mimiss over 1 year ago 7
Reused fracking water? @charlotte_clarke over 1 year ago 2
Can you relate Secchi disk measurements to turbidity sensor measurements? @wmacfarl over 1 year ago 8
Pros/cons to cheap handheld water meters for pH, TDS, conductivity? @warren almost 2 years ago 3
How can we relate water quality sensor measurements to oil/gas pollution? @wmacfarl almost 2 years ago 2
How can DIY/community-collected environmental data be used? @wmacfarl almost 2 years ago 4
How can I make my own test with temperature sensor , ph sensor , DO sensor and ORP sensor with displayed on OLED screen . Thank you @safari almost 2 years ago 0
Can anyone tell what is wrong with my coqui? @stevie over 2 years ago 14
Seeking Info re Commercial Low-cost Lead Screening Products @read_holman over 2 years ago 8
Any tips on the search for accessible and safe stream entry points in an urban forest? @LaurenComSciATL over 2 years ago 0
Dissolved Oxygen Testing and Citizen Science @belkinsa over 2 years ago 8
What are simple tools are available to test salinity level in wetlands ecosystem? @Filipaul over 2 years ago 1
DIY conductivity Sensors @roberts_ecofarm almost 3 years ago 6
What are ways to monitor algae blooms? @stevie almost 3 years ago 14
D.O. Monitoring on Public Lab @belkinsa almost 3 years ago 5
I am looking for a low cost lab to test for PFOA/PFOS. @UpperPotomacRiverkeeper almost 3 years ago 5
Where can we share well water data? @stevie almost 3 years ago 7
Are there any DIY equipment that measure dissolved oxygen levels in water? @belkinsa about 3 years ago 6
What probes to get with data loggers? @pdhixenbaugh about 3 years ago 4
How to measure nutrient concetration in hydroponic system? @Aleksi12358 about 3 years ago 15
H2O sensores - oportunidade de parceria @Gasp00 about 3 years ago 2
How to test water for heavy metals today? @Devon7 over 3 years ago 4
What are water quality parameters we should monitor to understand our local stream health? @stevie over 3 years ago 4
What are good resources for teaching middle school age children about water quality parameters? @stevie over 3 years ago 5
How do I choose a method for monitoring turbidity? @stevie over 3 years ago 2
Has anyone built a secchi disk before? @stevie over 3 years ago 4
What should we look for when sourcing turbidity tubes? @stevie over 3 years ago 7
What are good ways to test for pH levels and where can we get materials to do so? @stevie over 3 years ago 6
How do I use pH strips to test pH? @warren over 3 years ago 4
What are different methods of measuring water turbidity? @warren over 3 years ago 4
How is water turbidity regulated? @warren over 3 years ago 3
How do you find industrial WPDES permit details? @gretchengehrke over 3 years ago 2
In addition to testing for pH, what other water quality testing have you utilized, such as turbidity, conductivity, dissolved oxygen (DO), etc.? Can you share your experience with these? @gilbert over 3 years ago 0
When is the use of litmus paper insufficient to test for pH? @gilbert over 3 years ago 0
What water quality issues have recently emerged in your region, i.e. "boil water alerts," "swimming ban," "no fishing advisories," "water-borne disease outbreaks," "industrial spills," "contaminated flooding," "unusual water taste, color or smell"? @gilbert over 3 years ago 0
Effective low-cost water filters to remove hydrogen sulfide? @gretchengehrke almost 4 years ago 2
How do I identify an oil sheen or spill or slick in aerial photography? @warren almost 4 years ago 1
Water Filter Effectiveness @Mempet almost 4 years ago 4
How do you account for signal drift with sensors in the field? @gretchengehrke almost 4 years ago 2
data loggers for PH ? @MadTinker about 4 years ago 2
Nitrogenous waste sensors for 24/7 monitoring @winsorje over 4 years ago 1
looking for ideas to detect/remove micro-beads/micro-fibers in water @vibhor over 4 years ago 2
Is there a water quality equivalent of Smoke School, the EPA air pollution observer certification? @warren almost 5 years ago 1
Accessible procedure for calibrating conductivity measurements? @donblair about 7 years ago 3
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Monitoring

Water quality parameters

Read about different water quality parameters here, including pH, nitrogen, conductivity, temperature, ORP and turbidity:

Also see this overview of 7 ways to monitorn water quality:

Groups and projects working on water quality issues:

Title Updated Version Views Likes
BabyLegs 9 months ago by a1ahna 29 3,722 6
Water Quality Sensor over 1 year ago by warren 12 9,924 2
Coqui conductivity sensor about 2 years ago by warren 57 4,133 22
Riffle: an Open Source Water Monitoring Approach over 3 years ago by warren 100 4,716 14
KnowFlow about 4 years ago by liz 2 1,226 3
Open Water over 4 years ago by klie 122 4,397 19
infoamazonia-network almost 6 years ago by vjpixel 2 400 2


Water quality related pages

Title Updated Version Views Likes
Assess Turbidity in Water over 2 years ago by liz 13 3,196 2
Common Water Contaminants over 2 years ago by warren 36 1,397 4
Nitrogen over 2 years ago by warren 3 179 1
Water quality parameters over 2 years ago by warren 13 636 2
Filters over 2 years ago by warren 11 298 2
Water Sensors over 3 years ago by Nova 41 5,756 6
Conductivity of Water and Community Science over 3 years ago by gilbert 5 646 1
pH over 3 years ago by warren 4 397 0
Turbidity Measurement Methods & Regulations over 3 years ago by gilbert 1 1,215 0
Water Sampling almost 4 years ago by warren 2 1,343 2
NPDES over 4 years ago by warren 17 456 0
Parâmetros de qualidade da água over 5 years ago by vjpixel 3 4,030 0
water quality indices almost 6 years ago by vjpixel 5 686 2
What's going on in Water Monitoring? about 7 years ago by kanarinka 5 406 10
Water Quality Primer with Jeff Walker about 7 years ago by kanarinka 4 508 3
The Open Water Project: FAQ over 7 years ago by donblair 4 495 2


Activities

Purpose Category Status Author Time Difficulty Replications
PureLab:Experiment and Installing Water Filters Record In Banmentun - - @shanlter - - 0 replications: Try it »
Water Quality Testing At Turkey Creek - - @Delaney - - 0 replications: Try it »
Coqui BBv1.0: Testing conductivity of a solution observe draft @donblair 1h easy 1 replications: Try it »
¿Cómo evaluo la calidad de un ambiente acuático con mi teléfono móvil? / How do I assess the quality of an aquatic environment with my mobile phone? - - @alejobonifacio - - 0 replications: Try it »
Draft: Collect a sample for laboratory analysis - - @warren - - 0 replications: Try it »
Practice reporting suspected frac sand violations - - @stevie - - 0 replications: Try it »
How to test a water sheen to tell if it is bacterial or petroleum - - @stevie - - 0 replications: Try it »
Draft: Find the concentration of a liquid with a DIY spectrometer - - @warren - - 0 replications: Try it »
How to collect a water sample - - @stevie - - 0 replications: Try it »

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Activities should include a materials list, costs and a step-by-step guide to construction with photos. Learn what makes a good activity here.