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Sewerage Systems, Orla, Texas. NPDES permit TX0141160, in force until Feb 3, 2027. Last 12 months: over a limit 121 times (last July 2026), 41 required values missing, 13 of 13 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, 5-day, 20 deg. C, daily average | 170.2 mg/L | ≤ 20 mg/L | 751% |
| October 2025 | BOD, 5-day, 20 deg. C, daily average | 30.1 lb/d | ≤ 4.2 lb/d | 617% |
| October 2025 | BOD, 5-day, 20 deg. C, single grab sample | 240 mg/L | ≤ 65 mg/L | 269% |
| October 2025 | Chlorine, total residual, monthly minimum | 0 mg/L | ≥ 1 mg/L | 100% |
| October 2025 | Flow, in conduit or thru treatment plant, daily average | .03361 MGD | ≤ .025 MGD | 34% |
| October 2025 | Oxygen, dissolved [DO], minimum | 1.06 mg/L | ≥ 4 mg/L | 74% |
| October 2025 | Solids, total suspended, daily average | 222.2 mg/L | ≤ 20 mg/L | 1011% |
| October 2025 | Solids, total suspended, daily average | 62.3 lb/d | ≤ 4.2 lb/d | 1383% |
| October 2025 | Solids, total suspended, single grab sample | 532 mg/L | ≤ 65 mg/L | 718% |
| November 2025 | BOD, 5-day, 20 deg. C, daily average | 207.75 mg/L | ≤ 20 mg/L | 939% |
| November 2025 | BOD, 5-day, 20 deg. C, daily average | 59.74 lb/d | ≤ 4.2 lb/d | 1322% |
| November 2025 | BOD, 5-day, 20 deg. C, single grab sample | 227 mg/L | ≤ 65 mg/L | 249% |
| November 2025 | Chlorine, total residual, monthly minimum | .2 mg/L | ≥ 1 mg/L | 80% |
| November 2025 | E. coli, daily average | > 2420 MPN/100mL | ≤ 126 CFU/100mL | — |
| November 2025 | E. coli, single grab sample | > 2420 MPN/100mL | ≤ 399 CFU/100mL | — |
| November 2025 | Flow, in conduit or thru treatment plant, daily average | .03448 MGD | ≤ .025 MGD | 38% |
| November 2025 | Oxygen, dissolved [DO], minimum | .1 mg/L | ≥ 4 mg/L | 98% |
| November 2025 | Solids, total suspended, daily average | 148 mg/L | ≤ 20 mg/L | 640% |
| November 2025 | Solids, total suspended, daily average | 42.6 lb/d | ≤ 4.2 lb/d | 914% |
| November 2025 | Solids, total suspended, single grab sample | 207 mg/L | ≤ 65 mg/L | 218% |
| December 2025 | BOD, 5-day, 20 deg. C, daily average | 243.6 mg/L | ≤ 20 mg/L | 1118% |
| December 2025 | BOD, 5-day, 20 deg. C, daily average | 59.9 lb/d | ≤ 4.2 lb/d | 1326% |
| December 2025 | BOD, 5-day, 20 deg. C, single grab sample | 301 mg/L | ≤ 65 mg/L | 363% |
| December 2025 | Chlorine, total residual, monthly minimum | .2 mg/L | ≥ 1 mg/L | 80% |
| December 2025 | Flow, in conduit or thru treatment plant, daily average | .0295 MGD | ≤ .025 MGD | 18% |
| December 2025 | Oxygen, dissolved [DO], minimum | 1.75 mg/L | ≥ 4 mg/L | 56% |
| December 2025 | Solids, total suspended, daily average | 208.4 mg/L | ≤ 20 mg/L | 942% |
| December 2025 | Solids, total suspended, daily average | 51.3 lb/d | ≤ 4.2 lb/d | 1121% |
| December 2025 | Solids, total suspended, single grab sample | 300 mg/L | ≤ 65 mg/L | 362% |
| January 2026 | BOD, 5-day, 20 deg. C, daily average | 228.6 mg/L | ≤ 20 mg/L | 1043% |
| January 2026 | BOD, 5-day, 20 deg. C, daily average | 57.7 lb/d | ≤ 4.2 lb/d | 1274% |
| January 2026 | BOD, 5-day, 20 deg. C, single grab sample | 275 mg/L | ≤ 65 mg/L | 323% |
| January 2026 | Chlorine, total residual, monthly minimum | .2 mg/L | ≥ 1 mg/L | 80% |
| January 2026 | Flow, in conduit or thru treatment plant, daily average | .0303 MGD | ≤ .025 MGD | 21% |
| January 2026 | Oxygen, dissolved [DO], minimum | 1.75 mg/L | ≥ 4 mg/L | 56% |
| January 2026 | Solids, total suspended, daily average | 202.6 mg/L | ≤ 20 mg/L | 913% |
| January 2026 | Solids, total suspended, daily average | 51.2 lb/d | ≤ 4.2 lb/d | 1119% |
| January 2026 | Solids, total suspended, single grab sample | 286 mg/L | ≤ 65 mg/L | 340% |
| February 2026 | BOD, 5-day, 20 deg. C, daily average | 248.5 mg/L | ≤ 20 mg/L | 1143% |
| February 2026 | BOD, 5-day, 20 deg. C, daily average | 248.5 mg/L | ≤ 20 mg/L | 1143% |
| February 2026 | BOD, 5-day, 20 deg. C, daily average | 51.37 lb/d | ≤ 4.2 lb/d | 1123% |
| February 2026 | BOD, 5-day, 20 deg. C, daily average | 51.37 lb/d | ≤ 4.2 lb/d | 1123% |
| February 2026 | BOD, 5-day, 20 deg. C, single grab sample | 272 mg/L | ≤ 65 mg/L | 318% |
| February 2026 | BOD, 5-day, 20 deg. C, single grab sample | 272 mg/L | ≤ 65 mg/L | 318% |
| February 2026 | Chlorine, total residual, monthly minimum | .1 mg/L | ≥ 1 mg/L | 90% |
| February 2026 | Chlorine, total residual, monthly minimum | .1 mg/L | ≥ 1 mg/L | 90% |
| February 2026 | E. coli, daily average | > 2420 MPN/100mL | ≤ 126 CFU/100mL | — |
| February 2026 | E. coli, daily average | > 2420 MPN/100mL | ≤ 126 CFU/100mL | — |
| February 2026 | E. coli, single grab sample | > 2420 MPN/100mL | ≤ 399 CFU/100mL | — |
| February 2026 | E. coli, single grab sample | > 2420 MPN/100mL | ≤ 399 CFU/100mL | — |
| February 2026 | Oxygen, dissolved [DO], minimum | 1.5 mg/L | ≥ 4 mg/L | 63% |
| February 2026 | Oxygen, dissolved [DO], minimum | 1.5 mg/L | ≥ 4 mg/L | 63% |
| February 2026 | Solids, total suspended, daily average | 196.5 mg/L | ≤ 20 mg/L | 883% |
| February 2026 | Solids, total suspended, daily average | 196.5 mg/L | ≤ 20 mg/L | 883% |
| February 2026 | Solids, total suspended, daily average | 40.62 lb/d | ≤ 4.2 lb/d | 867% |
| February 2026 | Solids, total suspended, daily average | 40.62 lb/d | ≤ 4.2 lb/d | 867% |
| February 2026 | Solids, total suspended, single grab sample | 238 mg/L | ≤ 65 mg/L | 266% |
| February 2026 | Solids, total suspended, single grab sample | 238 mg/L | ≤ 65 mg/L | 266% |
| March 2026 | BOD, 5-day, 20 deg. C, daily average | 227.75 mg/L | ≤ 20 mg/L | 1039% |
| March 2026 | BOD, 5-day, 20 deg. C, daily average | 56.05 lb/d | ≤ 4.2 lb/d | 1235% |
| March 2026 | BOD, 5-day, 20 deg. C, single grab sample | 255 mg/L | ≤ 65 mg/L | 292% |
| March 2026 | Chlorine, total residual, monthly minimum | .2 mg/L | ≥ 1 mg/L | 80% |
| March 2026 | Flow, in conduit or thru treatment plant, daily average | .02949 MGD | ≤ .025 MGD | 18% |
| March 2026 | Oxygen, dissolved [DO], minimum | 1 mg/L | ≥ 4 mg/L | 75% |
| March 2026 | Solids, total suspended, daily average | 210.75 mg/L | ≤ 20 mg/L | 954% |
| March 2026 | Solids, total suspended, daily average | 51.83 lb/d | ≤ 4.2 lb/d | 1134% |
| March 2026 | Solids, total suspended, single grab sample | 315 mg/L | ≤ 65 mg/L | 385% |
| April 2026 | BOD, 5-day, 20 deg. C, daily average | 267 mg/L | ≤ 20 mg/L | 1235% |
| April 2026 | BOD, 5-day, 20 deg. C, daily average | 267 mg/L | ≤ 20 mg/L | 1235% |
| April 2026 | BOD, 5-day, 20 deg. C, daily average | 68.99 lb/d | ≤ 4.2 lb/d | 1543% |
| April 2026 | BOD, 5-day, 20 deg. C, daily average | 68.99 lb/d | ≤ 4.2 lb/d | 1543% |
| April 2026 | BOD, 5-day, 20 deg. C, single grab sample | 295 mg/L | ≤ 65 mg/L | 354% |
| April 2026 | BOD, 5-day, 20 deg. C, single grab sample | 295 mg/L | ≤ 65 mg/L | 354% |
| April 2026 | Chlorine, total residual, monthly minimum | .2 mg/L | ≥ 1 mg/L | 80% |
| April 2026 | Chlorine, total residual, monthly minimum | .2 mg/L | ≥ 1 mg/L | 80% |
| April 2026 | Flow, in conduit or thru treatment plant, daily average | .03098 MGD | ≤ .025 MGD | 24% |
| April 2026 | Flow, in conduit or thru treatment plant, daily average | .03098 MGD | ≤ .025 MGD | 24% |
| April 2026 | Oxygen, dissolved [DO], minimum | .75 mg/L | ≥ 4 mg/L | 81% |
| April 2026 | Oxygen, dissolved [DO], minimum | .75 mg/L | ≥ 4 mg/L | 81% |
| April 2026 | Solids, total suspended, daily average | 179 mg/L | ≤ 20 mg/L | 795% |
| April 2026 | Solids, total suspended, daily average | 179 mg/L | ≤ 20 mg/L | 795% |
| April 2026 | Solids, total suspended, daily average | 46.25 lb/d | ≤ 4.2 lb/d | 1001% |
| April 2026 | Solids, total suspended, daily average | 46.25 lb/d | ≤ 4.2 lb/d | 1001% |
| April 2026 | Solids, total suspended, single grab sample | 248 mg/L | ≤ 65 mg/L | 282% |
| April 2026 | Solids, total suspended, single grab sample | 248 mg/L | ≤ 65 mg/L | 282% |
| May 2026 | BOD, 5-day, 20 deg. C, daily average | 276 mg/L | ≤ 20 mg/L | 1280% |
| May 2026 | BOD, 5-day, 20 deg. C, daily average | 73.07 lb/d | ≤ 4.2 lb/d | 1640% |
| May 2026 | BOD, 5-day, 20 deg. C, single grab sample | 349 mg/L | ≤ 65 mg/L | 437% |
| May 2026 | Chlorine, total residual, monthly minimum | .2 mg/L | ≥ 1 mg/L | 80% |
| May 2026 | E. coli, daily average | > 2420 MPN/100mL | ≤ 126 CFU/100mL | — |
| May 2026 | E. coli, single grab sample | > 2420 MPN/100mL | ≤ 399 CFU/100mL | — |
| May 2026 | Flow, in conduit or thru treatment plant, daily average | .03175 MGD | ≤ .025 MGD | 27% |
| May 2026 | Oxygen, dissolved [DO], minimum | .25 mg/L | ≥ 4 mg/L | 94% |
| May 2026 | Solids, total suspended, daily average | 130.54 lb/d | ≤ 4.2 lb/d | 3008% |
| May 2026 | Solids, total suspended, daily average | 493 mg/L | ≤ 20 mg/L | 2365% |
| May 2026 | Solids, total suspended, single grab sample | 1367 mg/L | ≤ 65 mg/L | 2003% |
| June 2026 | BOD, 5-day, 20 deg. C, daily average | 235 mg/L | ≤ 20 mg/L | 1075% |
| June 2026 | BOD, 5-day, 20 deg. C, daily average | 56.5 lb/d | ≤ 4.2 lb/d | 1245% |
| June 2026 | BOD, 5-day, 20 deg. C, single grab sample | 281 mg/L | ≤ 65 mg/L | 332% |
| June 2026 | Chlorine, total residual, monthly minimum | .4 mg/L | ≥ 1 mg/L | 60% |
| June 2026 | Flow, in conduit or thru treatment plant, daily average | .0288 MGD | ≤ .025 MGD | 15% |
| June 2026 | Oxygen, dissolved [DO], minimum | 1 mg/L | ≥ 4 mg/L | 75% |
| June 2026 | Solids, total suspended, daily average | 117 mg/L | ≤ 20 mg/L | 485% |
| June 2026 | Solids, total suspended, daily average | 28.1 lb/d | ≤ 4.2 lb/d | 569% |
| June 2026 | Solids, total suspended, single grab sample | 150 mg/L | ≤ 65 mg/L | 131% |
| July 2026 | BOD, 5-day, 20 deg. C, daily average | 124 mg/L | ≤ 20 mg/L | 520% |
| July 2026 | BOD, 5-day, 20 deg. C, daily average | 124 mg/L | ≤ 20 mg/L | 520% |
| July 2026 | BOD, 5-day, 20 deg. C, daily average | 33.5 lb/d | ≤ 4.2 lb/d | 698% |
| July 2026 | BOD, 5-day, 20 deg. C, daily average | 33.5 lb/d | ≤ 4.2 lb/d | 698% |
| July 2026 | BOD, 5-day, 20 deg. C, single grab sample | 319 mg/L | ≤ 65 mg/L | 391% |
| July 2026 | BOD, 5-day, 20 deg. C, single grab sample | 319 mg/L | ≤ 65 mg/L | 391% |
| July 2026 | Chlorine, total residual, monthly minimum | .2 mg/L | ≥ 1 mg/L | 80% |
| July 2026 | Chlorine, total residual, monthly minimum | .2 mg/L | ≥ 1 mg/L | 80% |
| July 2026 | Flow, in conduit or thru treatment plant, daily average | .03235 MGD | ≤ .025 MGD | 29% |
| July 2026 | Flow, in conduit or thru treatment plant, daily average | .03235 MGD | ≤ .025 MGD | 29% |
| July 2026 | Solids, total suspended, daily average | 128.6 mg/L | ≤ 20 mg/L | 543% |
| July 2026 | Solids, total suspended, daily average | 128.6 mg/L | ≤ 20 mg/L | 543% |
| July 2026 | Solids, total suspended, daily average | 34.7 lb/d | ≤ 4.2 lb/d | 726% |
| July 2026 | Solids, total suspended, daily average | 34.7 lb/d | ≤ 4.2 lb/d | 726% |
| July 2026 | Solids, total suspended, single grab sample | 294 mg/L | ≤ 65 mg/L | 352% |
| July 2026 | Solids, total suspended, single grab sample | 294 mg/L | ≤ 65 mg/L | 352% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 4 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily average | ≤ 20 mg/L | all year |
| BOD, 5-day, 20 deg. C | single grab sample | ≤ 65 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily average | ≤ 4.2 lb/d | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | daily average | ≤ 20 mg/L | all year |
| Solids, total suspended | single grab sample | ≤ 65 mg/L | all year |
| Solids, total suspended | daily average | ≤ 4.2 lb/d | all year |
| Flow, in conduit or thru treatment plant | daily average | ≤ .025 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 | single grab sample | ≤ 399 CFU/100mL | all year |
Cited limits by parameter: Texas's rules and the federal ones.
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