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Mobile Home Site Operators, Altoona, Iowa. NPDES permit IA0068004, in force until Nov 30, 2030. Last 12 months: over a limit 55 times (last September 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Oxygen, dissolved [DO], daily minimum | 2.14 | ≥ 5 mg/L | 57% |
| November 2025 | Oxygen, dissolved [DO], daily minimum | 3.97 | ≥ 5 mg/L | 21% |
| December 2025 | Nitrogen, ammonia total [as N], 30-day average | 15 | ≤ 3.9 mg/L | 285% |
| December 2025 | Nitrogen, ammonia total [as N], 30-day average | 3.312458 | ≤ 1.2 lb/d | 176% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 15 | ≤ 3.9 mg/L | 285% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 3.312458 | ≤ 1.2 lb/d | 176% |
| January 2026 | Nitrogen, ammonia total [as N], 30-day average | 18 | ≤ 5.2 mg/L | 246% |
| January 2026 | Nitrogen, ammonia total [as N], 30-day average | 5.265725 | ≤ 1.6 lb/d | 229% |
| January 2026 | Oxygen, dissolved [DO], daily minimum | 3.19 | ≥ 5 mg/L | 36% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], 30-day average | 16.75676 | ≤ 7.92 lb/d | 112% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], 30-day average | 46 | ≤ 25 mg/L | 84% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], 7-day average | 16.75676 | ≤ 12.67 lb/d | 32% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], 7-day average | 46 | ≤ 40 mg/L | 15% |
| February 2026 | Nitrogen, ammonia total [as N], 30-day average | 20 | ≤ 5.8 mg/L | 245% |
| February 2026 | Nitrogen, ammonia total [as N], 30-day average | 7.285549 | ≤ 1.8 lb/d | 305% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 20 | ≤ 8.4 mg/L | 138% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 7.285549 | ≤ 2.7 lb/d | 170% |
| February 2026 | Oxygen, dissolved [DO], daily minimum | 2.78 | ≥ 5 mg/L | 44% |
| March 2026 | E. coli, geometric mean | 24000 | ≤ 126 #/100mL | 18948% |
| March 2026 | Nitrogen, ammonia total [as N], 30-day average | 21 | ≤ 3.9 mg/L | 438% |
| March 2026 | Nitrogen, ammonia total [as N], 30-day average | 5.736784 | ≤ 1.2 lb/d | 378% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 21 | ≤ 3.9 mg/L | 438% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 5.736784 | ≤ 1.2 lb/d | 378% |
| March 2026 | Oxygen, dissolved [DO], daily minimum | 3.3 | ≥ 5 mg/L | 34% |
| April 2026 | E. coli, geometric mean | 133.4762 | ≤ 126 #/100mL | 6% |
| April 2026 | Nitrogen, ammonia total [as N], 30-day average | 1.067527 | ≤ .7 lb/d | 53% |
| April 2026 | Nitrogen, ammonia total [as N], 30-day average | 3.7 | ≤ 2.1 mg/L | 76% |
| April 2026 | Oxygen, dissolved [DO], daily minimum | 3.02 | ≥ 5 mg/L | 40% |
| May 2026 | Nitrogen, ammonia total [as N], 30-day average | 2.1 | ≤ 1.8 mg/L | 17% |
| May 2026 | Oxygen, dissolved [DO], daily minimum | 2.83 | ≥ 5 mg/L | 43% |
| June 2026 | E. coli, geometric mean | 17975.07 | ≤ 126 #/100mL | 14166% |
| June 2026 | Nitrogen, ammonia total [as N], 30-day average | 16 | ≤ 1.3 mg/L | 1131% |
| June 2026 | Nitrogen, ammonia total [as N], 30-day average | 4.317638 | ≤ .4 lb/d | 979% |
| June 2026 | Nitrogen, ammonia total [as N], daily maximum | 16 | ≤ 3.2 mg/L | 400% |
| June 2026 | Nitrogen, ammonia total [as N], daily maximum | 4.317638 | ≤ 1 lb/d | 332% |
| June 2026 | Oxygen, dissolved [DO], daily minimum | 2.16 | ≥ 5 mg/L | 57% |
| July 2026 | Nitrogen, ammonia total [as N], 30-day average | 2.824272 | ≤ .3 lb/d | 841% |
| July 2026 | Nitrogen, ammonia total [as N], 30-day average | 8 | ≤ 1.1 mg/L | 627% |
| July 2026 | Nitrogen, ammonia total [as N], daily maximum | 2.824272 | ≤ 1 lb/d | 182% |
| July 2026 | Nitrogen, ammonia total [as N], daily maximum | 8 | ≤ 3.2 mg/L | 150% |
| July 2026 | Oxygen, dissolved [DO], daily minimum | 2.13 | ≥ 5 mg/L | 57% |
| July 2026 | pH, daily minimum | 2.21 | ≥ 6.4 SU | — |
| August 2026 | BOD, carbonaceous [5 day, 20 C], 30-day average | 8.472817 | ≤ 7.92 lb/d | 7% |
| August 2026 | E. coli, geometric mean | 24000 | ≤ 126 #/100mL | 18948% |
| August 2026 | Nitrogen, ammonia total [as N], 30-day average | 15 | ≤ 1 mg/L | 1400% |
| August 2026 | Nitrogen, ammonia total [as N], 30-day average | 5.295511 | ≤ .3 lb/d | 1665% |
| August 2026 | Nitrogen, ammonia total [as N], daily maximum | 15 | ≤ 2.7 mg/L | 456% |
| August 2026 | Nitrogen, ammonia total [as N], daily maximum | 5.295511 | ≤ .8 lb/d | 562% |
| August 2026 | Oxygen, dissolved [DO], daily minimum | 2.12 | ≥ 5 mg/L | 58% |
| September 2026 | E. coli, geometric mean | 24000 | ≤ 126 #/100mL | 18948% |
| September 2026 | Nitrogen, ammonia total [as N], 30-day average | 16 | ≤ 1.5 mg/L | 967% |
| September 2026 | Nitrogen, ammonia total [as N], 30-day average | 4.10888 | ≤ .5 lb/d | 722% |
| September 2026 | Nitrogen, ammonia total [as N], daily maximum | 16 | ≤ 2.7 mg/L | 493% |
| September 2026 | Nitrogen, ammonia total [as N], daily maximum | 4.10888 | ≤ .8 lb/d | 414% |
| September 2026 | Oxygen, dissolved [DO], daily minimum | 1.57 | ≥ 5 mg/L | 69% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year |
| pH | daily minimum | ≥ 6.4 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | 30-day average | ≤ 80 mg/L | all year |
| Solids, total suspended | 7-day average | ≤ 120 mg/L | all year |
| Solids, total suspended | 30-day average | ≤ 25.35 lb/d | all year |
| Solids, total suspended | 7-day average | ≤ 38.03 lb/d | all year |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.3 mg/L | Jun |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.5 mg/L | Sep |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1 mg/L | Aug |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.1 mg/L | Jul |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.2 mg/L | Jan |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.8 mg/L | May |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.9 mg/L | Mar |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.7 mg/L | Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.7 mg/L | Nov |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2.1 mg/L | Apr |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 3.9 mg/L | Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.8 mg/L | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.2 mg/L | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.2 mg/L | Jul |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 19.9 mg/L | Jan |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.2 mg/L | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.9 mg/L | Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.7 mg/L | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.9 mg/L | Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Feb |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .4 lb/d | Jun |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .5 lb/d | Sep |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .3 lb/d | Aug |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .3 lb/d | Jul |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.6 lb/d | Jan |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .6 lb/d | May |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.2 lb/d | Mar |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .8 lb/d | Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .8 lb/d | Nov |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ .7 lb/d | Apr |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.2 lb/d | Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.8 lb/d | Feb |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1 lb/d | Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .8 lb/d | Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .8 lb/d | Aug |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1 lb/d | Jul |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.3 lb/d | Jan |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1 lb/d | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.2 lb/d | Mar |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .8 lb/d | Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .8 lb/d | Nov |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.5 lb/d | Apr |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.2 lb/d | Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 lb/d | Feb |
| E. coli | geometric mean | ≤ 126 #/100mL | Mar–Nov |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 40 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | 30-day average | ≤ 7.92 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | 7-day average | ≤ 12.67 lb/d | all year |
Cited limits by parameter: Iowa's rules and the federal ones.
Same industry: the 53 Real Estate permits in Iowa.
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