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Elementary And Secondary Schools, Gaston, Indiana. NPDES permit IN0025151, in force until Aug 31, 2028. Last 12 months: over a limit 36 times (last April 2026), 75 required values missing, 1 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | E. coli, colony forming units [CFU], daily maximum | 2419.6 CFU/100mL | ≤ 235 CFU/100mL | 930% |
| October 2025 | E. coli, colony forming units [CFU], monthly geometric mean | 1874 CFU/100mL | ≤ 125 CFU/100mL | 1399% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 6.2 mg/L | ≤ 1.1 mg/L | 464% |
| October 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 15.1 mg/L | ≤ 1.6 mg/L | 844% |
| October 2025 | Solids, total suspended, monthly average | 62.7 mg/L | ≤ 18 mg/L | 248% |
| October 2025 | Solids, total suspended, maximum weekly average | 135 mg/L | ≤ 27 mg/L | 400% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 1.1 lb/d | ≤ .3 lb/d | 267% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 6.9 mg/L | ≤ 1.1 mg/L | 527% |
| November 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 19.2 mg/L | ≤ 1.6 mg/L | 1100% |
| November 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 4.4 lb/d | ≤ .4 lb/d | 1000% |
| November 2025 | Oxygen, dissolved [DO], daily average minimum | 4.3 mg/L | ≥ 6 mg/L | 28% |
| November 2025 | Solids, total suspended, monthly average | 44.9 mg/L | ≤ 18 mg/L | 149% |
| November 2025 | Solids, total suspended, maximum weekly average | 61.7 mg/L | ≤ 27 mg/L | 129% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 9.6 mg/L | ≤ 1.6 mg/L | 500% |
| December 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 25.7 mg/L | ≤ 2.4 mg/L | 971% |
| December 2025 | Solids, total suspended, monthly average | 44.6 mg/L | ≤ 30 mg/L | 49% |
| December 2025 | Solids, total suspended, maximum weekly average | 60 mg/L | ≤ 45 mg/L | 33% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 22.8 mg/L | ≤ 1.6 mg/L | 1325% |
| January 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 45.9 mg/L | ≤ 2.4 mg/L | 1813% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | .5 lb/d | ≤ .4 lb/d | 25% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 13.1 mg/L | ≤ 1.6 mg/L | 719% |
| February 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 1.5 lb/d | ≤ .6 lb/d | 150% |
| February 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 30.3 mg/L | ≤ 2.4 mg/L | 1163% |
| February 2026 | Solids, total suspended, monthly average | 89.1 mg/L | ≤ 30 mg/L | 197% |
| February 2026 | Solids, total suspended, maximum weekly average | 137 mg/L | ≤ 45 mg/L | 204% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 12.2 mg/L | ≤ 1.6 mg/L | 663% |
| March 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 1 lb/d | ≤ .6 lb/d | 67% |
| March 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 30.9 mg/L | ≤ 2.4 mg/L | 1188% |
| March 2026 | Solids, total suspended, monthly average | 55.3 mg/L | ≤ 30 mg/L | 84% |
| March 2026 | Solids, total suspended, maximum weekly average | 101 mg/L | ≤ 45 mg/L | 124% |
| April 2026 | E. coli, colony forming units [CFU], daily maximum | 2420 CFU/100mL | ≤ 235 CFU/100mL | 930% |
| April 2026 | E. coli, colony forming units [CFU], monthly geometric mean | 2420 CFU/100mL | ≤ 125 CFU/100mL | 1836% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 12 mg/L | ≤ 1.6 mg/L | 650% |
| April 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 1.5 lb/d | ≤ .6 lb/d | 150% |
| April 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 30.2 mg/L | ≤ 2.4 mg/L | 1158% |
| April 2026 | Oxygen, dissolved [DO], daily average minimum | 4.7 mg/L | ≥ 5 mg/L | 6% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily average minimum | ≥ 6 mg/L | May–Nov |
| Oxygen, dissolved [DO] | daily average minimum | ≥ 5 mg/L | Jan, Feb, Mar, Apr, Dec |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Dec |
| Solids, total suspended | monthly average | ≤ 18 mg/L | May–Nov |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Dec |
| Solids, total suspended | maximum weekly average | ≤ 27 mg/L | May–Nov |
| Solids, total suspended | monthly average | ≤ 7.8 lb/d | Jan, Feb, Mar, Apr, Dec |
| Solids, total suspended | monthly average | ≤ 4.7 lb/d | May–Nov |
| Solids, total suspended | maximum weekly average | ≤ 11.7 lb/d | Jan, Feb, Mar, Apr, Dec |
| Solids, total suspended | maximum weekly average | ≤ 7 lb/d | May–Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.1 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1.6 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 2.4 mg/L | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .3 lb/d | May–Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .4 lb/d | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ .4 lb/d | May–Nov |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ .6 lb/d | Jan, Feb, Mar, Apr, Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year |
| Chlorine, total residual | monthly average | < .06 mg/L | Apr–Oct |
| Chlorine, total residual | daily maximum | < .06 mg/L | Apr–Oct |
| Chlorine, total residual | daily minimum | ≥ .5 mg/L | Apr–Oct |
| Chlorine, total residual | daily maximum | report only (mg/L) | Apr–Oct |
| E. coli, colony forming units [CFU] | monthly geometric mean | ≤ 125 CFU/100mL | Apr–Oct |
| E. coli, colony forming units [CFU] | daily maximum | ≤ 235 CFU/100mL | Apr–Oct |
| E. coli, colony forming units [CFU] | daily maximum | report only (CFU/100mL) | Apr–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | May–Nov |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 40 mg/L | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 23 mg/L | May–Nov |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 6.5 lb/d | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 3.9 lb/d | May–Nov |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 10.4 lb/d | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 6 lb/d | May–Nov |
| Flow, total | monthly total | report only (Mgal/mo) | all year |
Cited limits by parameter: Indiana's rules and the federal ones.
Same industry: the 69 Educational Services permits in Indiana.
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On EPA ECHO: Facility report · DMR history
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