https://utilityexplained.com/tags/impervious-surface/Recent content in Impervious Surface on Utility ExplainedHugoen-usSun, 30 Aug 2026 00:00:00 +0000https://utilityexplained.com/blog/stormwater-fee-explained/Sun, 30 Aug 2026 00:00:00 +0000https://utilityexplained.com/blog/stormwater-fee-explained/<h2 id="quick-answer">Quick Answer</h2> <p><strong>A stormwater fee is a separate charge that pays for the pipes, drains, and treatment systems that handle rain runoff — and most cities bill it as a flat monthly charge, by impervious-area tiers, or by an &ldquo;equivalent residential unit&rdquo; (ERU).</strong> For a typical single-family home it runs from about $5 to $35 a month in the cities we checked, and some cities bill it once a year on the property tax instead. It is not based on how much water you use, so using less water will not lower it.</p>