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Storm Event

Make it rain


Choose this option to see how rain flows to the White River during a light storm event.

Sewage Overflow

During a bigger storm event, Combined Sewer systems can overflow into natural streams. Choose this option to see where this occurs.

100 Year Flood

There is a 1 in 100 chance of this magnitude of flooding happening in a given year. Choose this option to see the areas that would flood.

Tap the map to make it rain
Tap the cloud for storm intensity


When you click on the map, Raindrop figures out which watershed or drainage basin water would fall into if it rained at that location. A watershed is a region within which all of the water that falls exits through a common point. After exiting at this point, water can flow over and through a variety of surfaces and conduits before ending up in the White River.

On the map, you can determine what kind of features the water flows through by looking at the color of the path:

At the end of the path, where the water flows into the White River, is an icon that will show you what pollutants were picked up along the way. Click on the icon for more details about pollutants


Oh no! Your raindrop has picked up pollutants on the way to the river. This is what we found in the natural streamlakestorm drainsanitary system upstream from where you clicked...

Wow, the natural streamlakestorm drainsanitary system upstream from where you clicked isn't threatened by pollution!

Chlorinated Solvents

Commonly used in dry cleaning, machining, and tool and die cutting.


E. Coli

This is a type of bacteria found in the feces of warm-blooded animals. High concentrations of e. coli indicates water quality problems and can make people sick.


Impaired biotic communities (IBCs)

There are unhealthy fish and/or aquatic invertebrate (e.g. insects, mussels) communities. IBCs are an indicator of water quality problems.



High levels of mercury in the tissues of fish indicates the fish aren't healthy and not fit for human consumption.



High concentrations of heavy metals like lead, nickel, and iron in the water can harm the body functions of critters living in the water.


Polychlorinated biphenyls (PCBs)

Polychlorinated biphenyls are a class of chemicals that were used in industrial and commercial manufacturing. They were banned in 1979, but persist in the environment for a long time can accumulate in fish tissue which can lead to human and aquatic health problems.


Petroleum Hydrocarbons

Could be anything derived from petroleum compounds; oil refining, gas stations with leaking underground tanks, parts cleaning solvents, automotive manufacturing, automotive repair, or auto salvage.


Learn more about pollution from the Upper White River Watershed Alliance.

This information was collected from the IDEM List of Impaired Waters.

You Can Help

1Catch the water

Why? This reduces the number of times the sewer system gets flooded and allows you to use the water for yourself.

How? Install rain barrels, cisterns, and/or water storage tanks.

2Make your land act like a sponge

Why? By absorbing water rather than allowing it to run off, the groundwater is recharged and the natural water cycle is preserved.

How? Build rain gardens, green roofs, and/or porous pavements.

3Keep the water clean

Why? Water is polluted from certain fertilizers, pet waste, and household waste which creates unhealthy streams and rivers.

How? Clean up after your pets, use phosphorus free fertilizers, and properly dispose of paints and oils from house projects.

4 Become informed and let your neighbors know what you are doing!

Why? Individual actions can collectively lead to widespread positive change in our watersheds.

How? Share your knowledge and invite others around you to participate in activities that improve their immediate environment.

Learn more at Clean Water Clear Choices.


"Man, it's hot today. I guess climate change really is happening."

While we've all probably heard this or said it ourselves, it's clear from that statement that the speaker is confused about the differences between weather and climate.

Weather refers to short term conditions of our atmosphere. This includes things like temperature, rain or snow. What causes current weather at any particular time depends on many complex and dynamic factors, which is why the weather forecasters on the news seem to be wrong so often. It's hard to predict tomorrow's weather, let alone the weather in a week!

Climate, however, refers to long term averages of our atmosphere. For example, we can confidently say that if it's July in Indiana, the high temperature is probably going to be around 86 degrees F. This is because we've kept weather records on the daily temperatures and combined all those data into average conditions.

The long-term averages can change as we add more time and data into the calculations. One way climate change is observed is through these changing averages in the atmospheric measurements.

So remember:



Learn more:


Current Weather

NOAA Weather Alerts

Weather Alerts in effect for Indiana