Shoal & Stem
Tap water lookup

Missouri City, TX tap water

Supplied mostly by Quail Valley Utility District, plus 6 other utilities. Here's what the water means for your fish.

Disinfectant

Chlorine or chloramine

Utilities here use chlorine or chloramine, depending on which one serves your address. Chlorine slowly gases off from standing water; chloramine doesn't.

Safety for fish and shrimp

Nitrite (NO₂)

Not detected (Low)

Not detected in testing, so any nitrite in your tank comes from the tank itself.

From EPA monitoring data (2012–2019).

Nitrate (NO₃)

Up to 5.1 ppm (Low)

Typically not detected

Not detected in testing, so water changes lower your tank's nitrate well.

From EPA monitoring data (2012–2019).

Water chemistry

General hardness

Area estimate

66–234 ppm

Typical 145 ppm

Moderately hard. Great for livebearers, and most community fish adapt.

Area estimate from nearby wells: USGS well samples in your county (2002–2015).

Carbonate hardness (alkalinity)

119–273 ppm

Typical 191 ppm

Strong buffering. pH stays steady and hard to lower without RO water.

From EPA monitoring data (2012–2019).

pH

7.3

Most community fish do well here. Stable water matters more than the exact number.

From EPA monitoring data (2012).

Total dissolved solids

Area estimate

228–568 ppm

Typical 351 ppm

A rough measure of everything dissolved in the water. RO water reads near 0, so TDS is a quick way to compare waters.

Area estimate from nearby wells: USGS well samples in your county (2002–2015).

Who supplies Missouri City, TX

  • Quail Valley Utility District

    Serves 13% of residents · Groundwater (wells) · Chlorine

  • First Colony MUD 9

    Serves 10% of residents · Groundwater (wells) · Chlorine

  • Blue Ridge West MUD

    Serves 9% of residents · Groundwater (wells) · Chlorine

  • City of Missouri City Mustang Bayou Wate

    Serves 7% of residents · Lake or river water · Chloramine

  • Fort Bend County MUD 26 Quail Green West

    Serves 7% of residents · Groundwater (wells) · Chlorine

  • Fort Bend County Wcid 2

    Serves 6% of residents · Lake or river water · Chloramine

  • Fort Bend County MUD 42 Wat Plat

    Serves 5% of residents · Groundwater (wells) · Chlorine

Our data comes from public records and is still incomplete. Many utilities don't publish every number, so we're adding more all the time. Your city's range is a starting point: testing your own tap is the only way to know exactly what's in it.

Tap water lookup covers US cities only for now. Want to know why it matters? Read our story on tap water.

Compiled by Shoal & Stem from public records. Free to cite with a link.

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