Resources

Water knowledge, made simple

In-depth guides written for Sioux Falls homeowners and business owners — plus free tools to help you make sense of your water.

Showing 6 of 9 articles

Orange iron staining in a white porcelain sink from well water in South Dakota
Water Quality 10 min

Iron in Sioux Falls Well Water: Causes, Health Effects, and How to Remove It

Rust-orange stains, metallic taste, and clogged fixtures are the calling card of iron in well water. Here's what causes it in eastern South Dakota — and how to get rid of it for good.

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Water heater interior showing heavy scale buildup from hard water in Sioux Falls
Water Quality 9 min

The True Cost of Hard Water: What It's Doing to Your Appliances, Your Skin, and Your Wallet

Sioux Falls water averages 20 grains per gallon of hardness. Here's the real math on what that costs you every year — in appliance repairs, energy bills, and time.

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Clean glass of drinking water on a kitchen counter representing PFAS-free water
Health & Safety 10 min

PFAS 'Forever Chemicals' in Drinking Water: What South Dakota Homeowners Need to Know

Federal PFAS limits are tightening and the news is full of scary headlines. Here's what PFAS actually are, how they get into water, and what you can do about them at home.

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Reverse osmosis system faucet installed at a kitchen sink in Sioux Falls
Buying Guide 11 min

Reverse Osmosis Explained: How the Technology Works, and Why Your Family Might Need It

RO systems remove almost everything from your water — including things you actually want. Here's an honest, non-hyped explanation of how they work and when they're worth installing.

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Barista pulling an espresso shot on commercial espresso equipment served by treated water
Commercial 9 min

Commercial Water Treatment: A Small Business Owner's Guide to Better Water

From coffee shops to laundromats to dental clinics, water quality is quietly one of the biggest hidden costs a Sioux Falls small business faces. Here's how to think about it.

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Smartphone showing HydroLink water softener monitoring dashboard in a modern home
Smart Home 8 min

Smart Water Softeners and the Rise of HydroLink Monitoring: What Wi-Fi Adds to a 60-Year-Old Technology

Modern softeners can text you when salt is low, track your water usage in real time, and cut salt consumption by up to 50%. Here's what smart features actually deliver — and which ones are worth paying for.

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Free Tools

Interactive water tools

Quick calculators and utilities to help you understand your Sioux Falls water — no signup required.

Hardness Converter

Grains → PPM

Slide to see how your water hardness translates and where it lands on the USGS scale.

342 ppm (mg/L)
Very hard
Sioux Falls averages 18–22 gpg
Salt Usage Estimator

How much salt will you need?

Estimate annual softener salt usage based on your household and water hardness.

~10 bags/yr
32 lb per month · 40 lb bags

Ask about our optional salt delivery service.

Newsletter

Water tips in your inbox

Get seasonal maintenance reminders, new articles, and Sioux Falls water quality updates. No spam — just useful stuff, occasionally.

Prefer to talk? Call 605.334.9461
Widgets

Live Sioux Falls widgets

A quick pulse on today's weather, what's in the local water, and when your softener is due for salt.

Sioux Falls Weather

Data · Open-Meteo

Sioux Falls Water Report

What's in the tap right now

Typical ranges we measure across Sioux Falls city water and area wells. Your address may vary.

Hardness
18–22gpg
Very hard
Iron
0.1–0.4ppm
Above staining threshold
Chlorine
1–2ppm
Municipal disinfectant
pH
7.6–8.0
Slightly alkaline
TDS
350–450ppm
Elevated minerals
Nitrates
<3ppm
Within EPA limit
Sioux Falls draws from the Big Sioux Aquifer and Missouri River — both are naturally hard. Rural wells often add iron and manganese.
Get your address tested — free
Salt Reminder

Never run out of softener salt

Tap once when you top off the tank. We'll remind you in about six weeks (typical Sioux Falls household).

No refill logged yet.

Prefer we handle it? Ask about our salt delivery service.

Seasonal Checklist

Keep your system happy year-round

A quick reference so nothing gets skipped. Save it, print it, or ask us to do it for you.

Spring
  • Check salt level and top off
  • Rinse RO faucet aerator
  • Inspect softener for leaks
Summer
  • Replace RO pre-filters
  • Test outdoor spigot pressure
  • Sanitize softener brine tank
Fall
  • Add salt before cold weather
  • Insulate exposed lines
  • Book annual system tune-up
Winter
  • Watch for slow drains (frozen)
  • Keep garage softener above 40°F
  • Change RO membrane if 2+ yrs
Call Free Water Test