September 22, 2026

EPA Water Standards vs Your Well Water | Spokane, WA

EPA Water Standards vs Your Well Water

Many homeowners assume that if water meets a regulatory standard, it must be healthy.

At Northern Water & Power, we encourage homeowners to ask a different question:

What is actually in my water?

EPA drinking water standards establish legal limits for certain contaminants. However, those standards are not the same as understanding your specific water supply, your family's water usage, or your long-term water health goals.


That's why we believe every homeowner should start with comprehensive water testing.


What Do EPA Standards Actually Mean?


Regulatory drinking water standards establish maximum allowable levels for various contaminants.


The challenge is that regulatory compliance doesn't necessarily mean homeowners understand:

  • What's in their water
  • How contaminants may affect water quality
  • Whether treatment is appropriate
  • How water quality impacts plumbing and appliances
  • How contaminants may vary from one property to another


For private well owners, these questions become even more important because private wells are not routinely monitored in the same way as municipal water systems.


Every Water Source Is Different


Two neighboring properties can have completely different water conditions.


Water may contain:

  • Hardness minerals
  • Iron
  • Manganese
  • Sulfur
  • Arsenic
  • Nitrates
  • Bacteria
  • Other naturally occurring contaminants


Without testing, homeowners simply don't have a complete understanding of what they're using every day.


That's why Northern Water & Power believes:

Test First. Filter Second.



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