99.99% of
bacteria.
Destroyed.
UV light at 254nm disrupts the DNA of bacteria, viruses, and cysts, permanently deactivating them before they reach any tap. No chemicals. No taste. No byproducts.

99.99%
pathogen elimination
Zero
chemicals added
Aqua Otter installs UV water purification systems in homes and businesses across Indiana and Michigan. Unlike chemical disinfection, UV light at 254 nanometers permanently disrupts the DNA of bacteria, viruses, and protozoan cysts before any water reaches your tap. Every Aqua Otter UV system carries NSF/ANSI 55 Class A certification and delivers a minimum 40 mJ/cm² UV dose, the standard required to eliminate 99.99% of pathogens including E. coli, Giardia, Cryptosporidium, Legionella, and Norovirus. Nothing is added to your water at any point: no chlorine, no salt, no disinfection byproducts. We size each system to your property's flow rate so that every drop receives the full germicidal dose. With hundreds of installations across Indiana and Michigan, our teams carry the equipment, hardware, and field experience to complete most UV installations in a single visit. Call (248) 621-8411 or book a free in-home water test online.
What UV targets and destroys
Bacteria. Viruses.
Cysts. All destroyed.
Independent certification
of bacteria and viruses eliminated, NSF/ANSI 55 certified
99.99%
chemical-free, zero additives to your water at any point
100%
coliform, and fecal bacteria are permanently destroyed
E. coli
and cryptosporidium cysts deactivated, no chlorine needed
Giardia
disinfection byproducts created, no chemical reactions
0 DBPs
pathogen elimination per NSF/ANSI Class A certification
99.99%
Every pathogen.
Zero survivors.
NSF/ANSI 55 Class A · Tested at 40 mJ/cm² minimum · Zero chemical disinfection byproducts
How UV light destroys
pathogens in your water.
Water flows through the UV chamber
All water entering your home passes through a stainless steel chamber housing a germicidal UV lamp. The chamber is sized to ensure every drop receives the full required UV dose.
UV light at 254nm disrupts DNA
The lamp emits ultraviolet light at 254 nanometers, the precise wavelength that penetrates the cell walls of bacteria, viruses, and protozoan cysts and permanently destroys their DNA.
Pathogens cannot replicate or infect
Organisms with disrupted DNA cannot reproduce or cause infection. They remain as inert particles, completely harmless. No chemicals are added at any point in the process.
Inside the UV Purification: every part explained
Inside UV purification. A stainless steel chamber on the main line with a germicidal lamp running down the middle of it. No chemicals go in and nothing is added to your water at any point. Keep scrolling to go inside it. 99.99% of bacteria and viruses. NSF/ANSI 55 certified. Zero additives.
Every drop gets the dose. All water entering your home passes through the chamber, flowing around a clear quartz sleeve that holds the lamp. The chamber is sized so that every drop receives the full required UV dose on its way through. Whole home. Quartz sleeve. Full required dose.
The germicidal lamp. The lamp emits ultraviolet light at 254 nanometers, the precise wavelength that penetrates the cell walls of bacteria, viruses, and protozoan cysts and permanently destroys their DNA. Organisms with disrupted DNA cannot reproduce or cause infection. E. coli log 6. Giardia and crypto. No chlorine needed.
Disinfection without chemistry. Light does the work, so nothing is dosed and nothing reacts. That means no disinfection byproducts, no taste or odor added, and no chemistry to manage. The lamp runs continuously and is changed once a year. 0 disinfection byproducts. No taste or odor added. Installed by Aqua Otter.
Our UV systems.
We size the UV system to your home's flow rate so every drop gets the full germicidal dose.
11 GPM UV Purification System

High-output UV system rated at 11 gallons per minute, sufficient for most homes up to 4 bedrooms. NSF/ANSI 55 Class A certified for eliminating bacteria, viruses, and cysts.
Not sure which flow rate?
We size the system to your home during the free water test.
Book free water test
11 GPM UV Purification System
High-output UV system rated at 11 gallons per minute, sufficient for most homes up to 4 bedrooms.

21 GPM UV Purification System
Heavy-duty UV system for larger homes, higher-flow demands, or properties with multiple bathrooms.
“Professional, on time, and thorough. We had concerns about bacteria in our well water and Aqua Otter solved it completely. The UV system gives us real peace of mind every single day.”
Michelle Rhodes
Google Review, UV Purification System
Where we install uv purification
in Indiana, Michigan, and beyond.
Every city has its own water profile. Click your city for the local water report, real hardness numbers, and what we typically install in your zip code.
Indiana
14 citiesMichigan
9 citiesOhio
1 cityKentucky
1 cityTennessee
1 cityNorth Carolina
1 cityDon't see your city? We cover surrounding metros from each of our regional offices. Browse the full coverage map.
View all service areasKnow what's in
your water.
Free in-home water test. We check for bacteria indicators and recommend the right purification system for your home.
Get Your Free Water Test