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Sewage treatment plant, Clever, Missouri. NPDES permit MO0102318, in force until Jun 30, 2028. Last 12 months: over a limit 26 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Aluminum, total recoverable, monthly average | 403 | ≤ 255 ug/L | 58% |
| October 2025 | Phosphorus, total [as P], monthly average | 1.47 | ≤ .5 mg/L | 194% |
| October 2025 | pH, minimum | 6.2 | ≥ 6.5 SU | — |
| November 2025 | Aluminum, total recoverable, monthly average | 261 | ≤ 255 ug/L | 2% |
| November 2025 | Phosphorus, total [as P], monthly average | 1.32 | ≤ .5 mg/L | 164% |
| December 2025 | Aluminum, total recoverable, monthly average | 378 | ≤ 255 ug/L | 48% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 12.3 | ≤ 12.1 mg/L | 2% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 6.9 | ≤ 3.1 mg/L | 123% |
| December 2025 | Phosphorus, total [as P], monthly average | 2.35 | ≤ .5 mg/L | 370% |
| January 2026 | E. coli, daily maximum | 257 | ≤ 126 #/100mL | 104% |
| January 2026 | Nitrogen, ammonia total [as N], daily maximum | 13.9 | ≤ 12.1 mg/L | 15% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 6.05 | ≤ 3.1 mg/L | 95% |
| January 2026 | Phosphorus, total [as P], monthly average | .91 | ≤ .5 mg/L | 82% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 14.2 | ≤ 10.1 mg/L | 41% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 5.7 | ≤ 2.7 mg/L | 111% |
| February 2026 | Phosphorus, total [as P], monthly average | .89 | ≤ .5 mg/L | 78% |
| March 2026 | Phosphorus, total [as P], monthly average | .96 | ≤ .5 mg/L | 92% |
| April 2026 | Nitrogen, ammonia total [as N], daily maximum | 12.7 | ≤ 12.1 mg/L | 5% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 7.6 | ≤ 2.7 mg/L | 181% |
| April 2026 | Phosphorus, total [as P], monthly average | .73 | ≤ .5 mg/L | 46% |
| May 2026 | Nitrogen, ammonia total [as N], daily maximum | 17.2 | ≤ 12.1 mg/L | 42% |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 14.3 | ≤ 2.2 mg/L | 550% |
| May 2026 | Phosphorus, total [as P], monthly average | 1.1 | ≤ .5 mg/L | 120% |
| June 2026 | E. coli, daily maximum | 236 | ≤ 126 #/100mL | 87% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 4.6 | ≤ 1.7 mg/L | 171% |
| August 2026 | Phosphorus, total [as P], monthly average | 2.58 | ≤ .5 mg/L | 416% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 15 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 mg/L | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | weekly average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | annual average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | annual total | report only (lb/yr) | all year | 001 |
| Nitrogen, total [as N] | monthly total | report only (lb/mo) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.1 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jan, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.8 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.1 mg/L | Jan, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | Apr | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly 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] | monthly average | ≤ .5 mg/L | all year | 001 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Aluminum, total recoverable | daily maximum | ≤ 750 ug/L | all year | 001 |
| Aluminum, total recoverable | monthly average | ≤ 255 ug/L | 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 | monthly average | report only (MGD) | all year | 001 |
| E. coli | daily maximum | ≤ 126 #/100mL | all year | 001 |
| E. coli | monthly average | report only (#/100mL) | all year | 001 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (toxic) | all year | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (toxic) | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | INF |
| Solids, total suspended | monthly average | report only (mg/L) | all year | INF |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | INF |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | INF |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | INF |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | INF |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | INF |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | INF |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | INF |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | INF |
Cited limits by parameter: Missouri's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MO0102318 · MCP: https://passage-data.com/mcp