About YSI

Mission Water Issue 11

Tue, 24 Jun 2025 07:24:43 GMT

Mission: Water Issue 11 is available.

Get 64 pages of content where stories and science converge!

Read five articles covering water monitoring challenges from Florida to Norway to Australia!

Catch up on news, including innovative water conservation efforts from around the world!

Learn about environmental advocates who are working to solve our biggest water challenges!

What happens when you fill out the Request a Quote form

Fri, 21 Feb 2025 15:00:22 GMT

Looking for a price quote on one or more of our products and accessories? Just fill out the Request a Quote form, and we'll get you the information you need.

We know the form looks like a lot, but we want to do our best to get you the correct product(s) and the correct representative who understands your application, product needs, and pricing. We will reach out via email initially.

Behind the Brand | An Inside Look at YSI

Wed, 10 Apr 2024 08:45:57 GMT

Behind-the-scenes access to our company's people and their daily operations, values, and what makes our work environment unique.

YSI 75th Anniversary Gathering

Thu, 17 Aug 2023 10:27:48 GMT

YSI celebrates 75 years of innovation, collaboration, and dedication to high-quality instrumentation.

Mission: Water | Addressing Critical Water Issues

Wed, 14 Jun 2023 08:07:08 GMT

Mission: Water is an annual publication that brings awareness to our most precious resource—water. It serves as a platform to celebrate our customers and other environmental advocates making a difference in our changing world.

Download the latest issue today! https://www.ysi.com/mission-water

Clean Water Act Celebration | Tour Overview

Mon, 22 Aug 2022 07:48:43 GMT

Water Abundance | Who's Minding the Planet? | YSI

Fri, 03 May 2019 10:01:18 GMT

(Video Transcription)
It was the beginning of a particularly active year.

In fact, this activity had been occurring for many years…but the causes were largely over looked by many.

Extreme weather events decimating lives… Rising sea levels destroying infrastructure... Frequent flooding causing millions in damage and claiming lives. And failing flood control systems.

The Power of Water - is the will of water.

Increasingly, humanity is adding to weather-related factors causing increases in extremely heavy downpours, more extensive storm surges due to sea level rise, intensity of hurricane activity, and more rapid spring snowmelt.

In fact, extreme rains are 10 times more likely in the present climate than they were a few decades ago and it’s estimated that flooding could cost coastal cities around $1 trillion per year by 2050.

These events are no longer overlooked. But, we have to turn awareness into action.

The planet needs water heroes.

Who's Minding the Planet? #WMTP #waterheroes

Water Scarcity | Who's Minding the Planet? | YSI

Fri, 03 May 2019 09:48:52 GMT

(Video Transcription)
It was the end of an exceptionally dry year.

In fact, it was the end of an exceptionally dry decade.

A decade that saw increasing global and ocean temperatures. A decade that dealt with more frequent and devastating wildfires. And, a decade that continued to see women, in Africa alone, spend 40 billion hours each year walking in search of water.

Water scarcity is an issue that affects a majority of the population. Currently, 85% of the world’s population lives in the driest half of the planet and, according to UN Water, water use has been growing globally at more than twice the rate of population increase.

In fact, in the decade to come - an estimated 1.8 billion people will live in areas plagued by water scarcity with up to 2/3rds of the population under water stress conditions.

This could result in the displacement of up to 700 million people.

The planet needs water heroes.

Who's Minding the Planet? #WMTP #waterheroes

Water Quality | Who's Minding the Planet? | YSI

Fri, 03 May 2019 09:43:07 GMT

(Video Transcription)
It was the start to a particularly eventful summer.

Another summer where harmful algal blooms, red tides, beach closings, and images of dead sea-life dominated the news and became part of our summer lexicon.

One recent summer in particular, saw a toxin from a harmful algal bloom form and eventually contaminate the drinking water source for the City of Toledo, Ohio. Eventually prompting a ‘do not drink’ order.

This poor water quality event was at least visible as it developed. You could see it continuing. Not all water quality issues are as obvious. Most of these issues go unseen. Unnoticed until an event. A fish die off. A closed drinking water well. A ‘do not swim or fish’ sign posted. Or a death.

In fact, most issues are caused by invisible contaminants. Unseen until their effect is too late.

It is estimated that less than 20% of the world’s drainage basins exhibit near pristine water quality. All freshwater requires a continued healthy functioning ecosystem.

These ecosystems across the world are in decline and need our help. We’ve come a long way. We have a long way to go.

The planet needs water heroes.

Who's Minding the Planet? #WMTP #waterheroes

Special thanks to Ed at LimnoTech and Max at Cleveland Water Alliance.

Thornton Creek Restoration | Urban Watershed

Tue, 11 Dec 2018 15:06:20 GMT

A wilderness teems just out of sight in rivers, actually below the rivers in the saturated soils, gravel, sand and rocks under and along the river’s main channel. This is the hyporheic zone: an entire zone where functions vital to the overall health of a stream and watershed take place.

And it’s from there in the healthy Cedar River that Seattle’s Thornton Creek gets a new life.

Waters above and below ground constantly interact; flowing into and out of one another, circulating oxygen, removing wastes and moderating temperatures in the main channel, cooling the water in summer and warming it in the winter.

Plenty of small creatures live there, too, many invisible to the naked eye, but performing critical tasks. Invertebrates shred leaf litter, cycling nutrients from the land to the water. Microbes on the surface of the rocks and gravel provide water treatment, consuming the nutrients in fertilizer runoff, and even breaking down hydrocarbons from oil pollution, making the hyporheic a liver of sorts for the river.

The land, surface waters and in-stream and subsurface flows all are connected. So as Seattle Public Utilities (SPU) works to restore Thornton Creek, the city’s largest urban stream, a new idea has been implemented: Why not start at the bottom, and — with a little help from the healthy Cedar River — reassemble and reconnect all the pieces of the watershed to see what happens?

The Thornton Creek watershed covers roughly 11.6 square miles in northeast Seattle and Shoreline. Over 90% of the creek’s main channel, more than 15 miles, flows above ground through more than 700 backyards and through 15 parks and natural areas.

It is both Seattle’s and Shoreline’s largest watershed, and drains into Lake Washington at Matthews Beach Park. That water ultimately goes through the Lake Washington Ship Canal to Puget Sound. The creek is a historic home to at least five species of Pacific salmon and trout.

After decades of development, Thornton Creek had no healthy base to start from. Because of dredging and channelizing, the creek in some cases altogether lacked the gravels and other benthic layers beneath and along the channel.

So the city launched an $11 million experimental restoration in two reaches of Thornton Creek, rebuilding a total of 1,600 feet of the channel from the ground up. The idea was to see if a constructed hyporheic zone can provide localized water-quality treatment in an urban stream.

See how the YSI Pro2030 dissolved oxygen and conductivity/salinity meter played a major role as well in understanding hyporheic zone health.

Video produced by Leaping Frog Films

Who's Minding the Planet? The Story of YSI Part 1

Tue, 13 Feb 2018 14:06:24 GMT

YSI turned 60 in 2008. The Story of YSI is a two-part video series to celebrate who we were at that time. This is part 1.

Who's Minding the Planet? The Story of YSI Part 2

Tue, 13 Feb 2018 14:06:23 GMT

YSI turned 60 in 2008. The Story of YSI is a two-part video series to celebrate who we were at that time. This is part 2.