What is the address of Southside WWTF?

The address on the plant’s EPA facility record is 2800 E Avenue, Brownsville, TX 78520, in Cameron County. Its coordinates are 25.8986, -97.4692. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Southside WWTF treat?

Southside WWTF is permitted for a design flow of 12.8 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Southside WWTF use?

Klarifi has identified one treatment structure or unit process at the Brownsville facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Southside WWTF?

The facility discharges under NPDES permit TX0055484, currently effective, expiring October 2027.

Is Southside WWTF in compliance?

Discharge monitoring reports show 14 violations at Southside WWTF in the last three years, 14 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Southside WWTF and how do I contact them?

Southside WWTF is a publicly owned treatment works in Brownsville, Texas. Klarifi lists 32 verified decision-maker contacts for this facility, available with a free trial.

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Southside WWTF

2800 E Avenue, Brownsville, TX 78520 · Cameron County · Publicly Owned Treatment Works

Average flow: —

Design flow: 12.8 MGD

NPDES permit: TX0055484; Effective

Permit expires: October 2027

Population served: 3,704; CWNS 2022

Southside WWTF is a publicly owned wastewater treatment works in Brownsville, Cameron County, Texas, serving about 3,704 residents. It discharges under NPDES permit TX0055484 (effective), which expires in October 2027, with 14 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Southside WWTF.

Available with a free Klarifi account

See the full treatment train at Southside WWTF: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 14

Effluent violations: 14

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

32 verified contacts for Southside WWTF, with validated emails and direct phone numbers.

Unlock 32 verified contacts (29 more than shown)

Names, validated emails and direct phone numbers for decision-makers at Southside WWTF, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Texas

Robindale WWTP

Brownsville · 4 mi away

9.12 MGD

Brownsville Navigation District- Turning Basin WWTP

Brownsville · 6 mi away

0.06 MGD

City Of Los Fresnos Wastewater Treatment Plant

Los Fresnos · 12 mi away

1.19 MGD

Laguna Vista WWTP

Laguna Vista · 18 mi away

0.43 MGD

Port Isabel Wastewater Treatment Plant

Port Isabel · 18 mi away

0.94 MGD

Isla Blanca WWTP

Port Isabel · 19 mi away

1.68 MGD

Rancho Viejo WWTF

Rancho Viejo · 20 mi away

0.41 MGD

San Benito Waste Water Treatment Plant

San Benito · 22 mi away

1.86 MGD

Southside WWTF: frequently asked questions

Sources and methodology

Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.

Data refreshed October 26, 2026; facility record last updated September 17, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms

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