Refugio, City of — NPDES permit TX0032492: limits, due date and EPA's record

Refugio, City of

Sewage treatment plant, Refugio, Texas. NPDES permit TX0032492, in force until Jun 16, 2031. Last 12 months: over a limit 22 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 20 days after each period: form A monthly (18 values)

Last report on file

August 2026

Oct 2024 – Sep 2025

7 values over a limit, 0 required values missing, 0 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 22 values over a limit

Period ending	Parameter	Reported	Limit	Over by
October 2025	Nitrogen, ammonia total [as N], daily average	3.7 mg/L	≤ 3 mg/L	23%
November 2025	Nitrogen, ammonia total [as N], daily average	5.2 mg/L	≤ 3 mg/L	73%
November 2025	Nitrogen, ammonia total [as N], daily maximum	10.2 mg/L	≤ 10 mg/L	2%
December 2025	Nitrogen, ammonia total [as N], daily average	10.57 mg/L	≤ 3 mg/L	252%
December 2025	Nitrogen, ammonia total [as N], daily average	22.54 lb/d	≤ 14 lb/d	61%
December 2025	Nitrogen, ammonia total [as N], daily maximum	23.25 mg/L	≤ 10 mg/L	133%
February 2026	Nitrogen, ammonia total [as N], daily average	7.14 mg/L	≤ 3 mg/L	138%
February 2026	Nitrogen, ammonia total [as N], daily maximum	23.75 mg/L	≤ 10 mg/L	138%
March 2026	Nitrogen, ammonia total [as N], daily average	9.47 mg/L	≤ 3 mg/L	216%
March 2026	Nitrogen, ammonia total [as N], daily maximum	18 mg/L	≤ 10 mg/L	80%
April 2026	Nitrogen, ammonia total [as N], daily average	18.06 mg/L	≤ 3 mg/L	502%
April 2026	Nitrogen, ammonia total [as N], daily average	34.95 lb/d	≤ 14 lb/d	150%
April 2026	Nitrogen, ammonia total [as N], daily maximum	22.5 mg/L	≤ 10 mg/L	125%
May 2026	Nitrogen, ammonia total [as N], daily average	10.91 mg/L	≤ 3 mg/L	264%
May 2026	Nitrogen, ammonia total [as N], daily average	30.79 lb/d	≤ 14 lb/d	120%
May 2026	Nitrogen, ammonia total [as N], daily maximum	16.25 mg/L	≤ 10 mg/L	63%
June 2026	Nitrogen, ammonia total [as N], daily average	15.36 lb/d	≤ 14 lb/d	10%
June 2026	Nitrogen, ammonia total [as N], daily average	8.85 mg/L	≤ 3 mg/L	195%
June 2026	Nitrogen, ammonia total [as N], daily maximum	14.5 mg/L	≤ 10 mg/L	45%
July 2026	BOD, carbonaceous [5 day, 20 C], daily maximum	29 mg/L	≤ 25 mg/L	16%
July 2026	Nitrogen, ammonia total [as N], daily average	3.57 mg/L	≤ 3 mg/L	19%
August 2026	Nitrogen, ammonia total [as N], daily average	4.8 mg/L	≤ 3 mg/L	60%

Limits in force (18)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	monthly minimum	≥ 4 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	daily average	≤ 15 mg/L	all year
Solids, total suspended	daily maximum	≤ 40 mg/L	all year
Solids, total suspended	daily average	≤ 72 lb/d	all year
Nitrogen, ammonia total [as N]	daily average	≤ 3 mg/L	all year
Nitrogen, ammonia total [as N]	daily maximum	≤ 10 mg/L	all year
Nitrogen, ammonia total [as N]	daily average	≤ 14 lb/d	all year
Flow, in conduit or thru treatment plant	daily average	≤ .576 MGD	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Chlorine, total residual	monthly minimum	≥ 1 mg/L	all year
Chlorine, total residual	monthly maximum	≤ 4 mg/L	all year
E. coli	daily average	≤ 126 CFU/100mL	all year
E. coli	daily maximum	≤ 379 CFU/100mL	all year
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 10 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 25 mg/L	all year
BOD, carbonaceous [5 day, 20 C]	daily average	≤ 48 lb/d	all year

How strict are these limits?

E. coli, daily maximum 379 CFU/100mL — stricter than 68% of 202 other minor POTWs in Texas

Solids, total suspended, daily average 15 mg/L — stricter than 35% of 939 other minor POTWs in Texas; 58% have the same limit

Oxygen, dissolved [DO], monthly minimum at least 4 mg/L — stricter than 15% of 905 other minor POTWs in Texas; 59% have the same limit

Your permit document is the final word. As JSON: /api/v1/permits/TX0032492 · MCP: https://passage-data.com/mcp