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Sewage treatment plant, major discharger, Georgetown, Texas. NPDES permit TX0101281, in force until Apr 10, 2031. Last 12 months: over a limit 17 times (last April 2026), 2 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Flow, in conduit or thru treatment plant, annual average | 2.549 MGD | ≤ 2.5 MGD | 2% |
| October 2025 | Nitrogen, ammonia total [as N], daily average | 110.72 lb/d | ≤ 42 lb/d | 164% |
| October 2025 | Nitrogen, ammonia total [as N], daily average | 5.36 mg/L | ≤ 2 mg/L | 168% |
| October 2025 | Nitrogen, ammonia total [as N], daily maximum | 9.35 mg/L | ≤ 7 mg/L | 34% |
| November 2025 | E. coli, daily average | 183.5 CFU/100mL | ≤ 126 CFU/100mL | 46% |
| November 2025 | E. coli, daily maximum | 2419.6 CFU/100mL | ≤ 399 CFU/100mL | 506% |
| November 2025 | Flow, in conduit or thru treatment plant, annual average | 2.592 MGD | ≤ 2.5 MGD | 4% |
| November 2025 | Nitrogen, ammonia total [as N], daily average | 5.13 mg/L | ≤ 2 mg/L | 157% |
| November 2025 | Nitrogen, ammonia total [as N], daily average | 95.04 lb/d | ≤ 42 lb/d | 126% |
| November 2025 | Nitrogen, ammonia total [as N], daily maximum | 14 mg/L | ≤ 7 mg/L | 100% |
| December 2025 | Flow, in conduit or thru treatment plant, annual average | 2.63 MGD | ≤ 2.5 MGD | 5% |
| December 2025 | Nitrogen, ammonia total [as N], daily average | 5.03 mg/L | ≤ 2 mg/L | 152% |
| December 2025 | Nitrogen, ammonia total [as N], daily average | 64.91 lb/d | ≤ 42 lb/d | 55% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 18.2 mg/L | ≤ 7 mg/L | 160% |
| January 2026 | Flow, in conduit or thru treatment plant, annual average | 2.58 MGD | ≤ 2.5 MGD | 3% |
| February 2026 | Flow, in conduit or thru treatment plant, annual average | 2.555 MGD | ≤ 2.5 MGD | 2% |
| April 2026 | Nitrogen, ammonia total [as N], daily average | 43.7 lb/d | ≤ 42 lb/d | 4% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | monthly minimum | ≥ 6 mg/L | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily average | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 40 mg/L | all year | 001 |
| Solids, total suspended | daily average | ≤ 313 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 2 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 42 lb/d | all year | 001 |
| Phosphorus, total [as P] | daily average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily average | report only (lb/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | 2-hour peak | ≤ 6944 gal/min | all year | 001 |
| Flow, in conduit or thru treatment plant | annual average | ≤ 2.5 MGD | all year | 001 |
| E. coli | daily average | ≤ 126 CFU/100mL | all year | 001 |
| E. coli | daily maximum | ≤ 399 CFU/100mL | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 10 mg/L | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 7 mg/L | Jun–Sep | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 25 mg/L | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 22 mg/L | Jun–Sep | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 209 lb/d | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 146 lb/d | Jun–Sep | 001 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXA |
Cited limits by parameter: Texas's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
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