Shoal & Stem

South Point, TX tap water

Supplied by El Jardin WSC. Here's what its water means for your fish.

Disinfectant

Chloramine

Your water is treated with chloramine. Unlike chlorine, it doesn't gas off when water sits out, and many pitcher and fridge filters aren't rated to remove it. Conditioners that list chloramine on the label break it apart, which frees a little ammonia. Some utilities switch to plain chlorine for a few weeks a year.

Safety for fish and shrimp

Nitrate (NO₃)

Supplier's figure

0.7–1.1 ppm (Low)

Typical 0.9 ppm

Low, so water changes lower your tank's nitrate well.

From the utility that supplies yours: Brownsville Public Utilities Board, which supplies El Jardin WSC (2012–2019).

Water chemistry

General hardness

Supplier's figure

77–355 ppm

Typical 77 ppm

Moderately soft to medium. Suits most community fish and plants.

From the utility that supplies yours: Brownsville Public Utilities Board, which supplies El Jardin WSC (2024).

Carbonate hardness (alkalinity)

Supplier's figure

76–148 ppm

Typical 76 ppm

Moderate buffering. pH should stay fairly steady.

From the utility that supplies yours: Brownsville Public Utilities Board, which supplies El Jardin WSC (2024).

pH

Supplier's figure

7.9–8.5

Typical 8.1

Alkaline. Many utilities raise pH to protect pipes. Stability matters more than the exact number.

From the utility that supplies yours: Brownsville Public Utilities Board, which supplies El Jardin WSC (2024).

Total dissolved solids

Supplier's figure

719–918 ppm

Typical 719 ppm

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

From the utility that supplies yours: Brownsville Public Utilities Board, which supplies El Jardin WSC (2024).

  • El Jardin WSC adds phosphate to protect pipes. It can feed algae in tanks without much plant growth.

Who supplies South Point, TX

  • El Jardin WSC

    Serves 96% of residents · Buys water from Brownsville Public Utilities Board · Chloramine

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.

Also supplied by El Jardin WSC

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