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Sewage treatment plant, Las Animas, Colorado. NPDES permit CO0040690 expired Jan 31, 2026; its limits still apply. Last 12 months: over a limit 32 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 004 | Nitrogen, ammonia total [as N], 30-day average | 34.4 mg/L | ≤ 24 mg/L | 43% |
| October 2025 | 005 | Sulfate, 30-day average | 1744.6 mg/L | ≤ 902 mg/L | 93% |
| October 2025 | 005 | Uranium, total, 30-day average | 52.2 ug/L | ≤ 30 ug/L | 74% |
| November 2025 | 004 | Nitrogen, ammonia total [as N], 30-day average | 32.5 mg/L | ≤ 20 mg/L | 63% |
| November 2025 | 005 | Sulfate, 30-day average | 1871.73 mg/L | ≤ 902 mg/L | 108% |
| November 2025 | 005 | Uranium, total, 30-day average | 57.1 ug/L | ≤ 30 ug/L | 90% |
| December 2025 | 004 | Nitrogen, ammonia total [as N], 30-day average | 38.8 mg/L | ≤ 28 mg/L | 39% |
| December 2025 | 005 | Sulfate, 30-day average | 2051.91 mg/L | ≤ 902 mg/L | 127% |
| December 2025 | 005 | Uranium, total, 30-day average | 46.5 ug/L | ≤ 30 ug/L | 55% |
| January 2026 | 005 | Sulfate, 30-day average | 1040.04 mg/L | ≤ 902 mg/L | 15% |
| February 2026 | 004 | Nitrogen, ammonia total [as N], 30-day average | 42.7 mg/L | ≤ 28 mg/L | 53% |
| February 2026 | 005 | Sulfate, 30-day average | 2195.84 mg/L | ≤ 902 mg/L | 143% |
| February 2026 | 005 | Uranium, total, 30-day average | 55.1 ug/L | ≤ 30 ug/L | 84% |
| March 2026 | 004 | Nitrogen, ammonia total [as N], 30-day average | 37.4 mg/L | ≤ 21 mg/L | 78% |
| March 2026 | 005 | Sulfate, 30-day average | 1666.79 mg/L | ≤ 902 mg/L | 85% |
| March 2026 | 005 | Uranium, total, 30-day average | 62.6 ug/L | ≤ 30 ug/L | 109% |
| April 2026 | 004 | Nitrogen, ammonia total [as N], 30-day average | 39.1 mg/L | ≤ 18 mg/L | 117% |
| April 2026 | 005 | Sulfate, 30-day average | 2035.45 mg/L | ≤ 902 mg/L | 126% |
| April 2026 | 005 | Uranium, total, 30-day average | 56.6 ug/L | ≤ 30 ug/L | 89% |
| May 2026 | 004 | Nitrogen, ammonia total [as N], 30-day average | 38.7 mg/L | ≤ 26 mg/L | 49% |
| May 2026 | 005 | Sulfate, 30-day average | 1842.06 mg/L | ≤ 902 mg/L | 104% |
| May 2026 | 005 | Uranium, total, 30-day average | 65 ug/L | ≤ 30 ug/L | 117% |
| June 2026 | 004 | Nitrogen, ammonia total [as N], 30-day average | 43.2 mg/L | ≤ 11 mg/L | 293% |
| June 2026 | 005 | Static Renewal 7 Day Chronic Ceriodaphnia dubia, minimum value | 6.5 tox chronic | ≥ 13 tox chronic | 50% |
| June 2026 | 005 | Sulfate, 30-day average | 2016.01 mg/L | ≤ 902 mg/L | 124% |
| June 2026 | 005 | Uranium, total, 30-day average | 48.5 ug/L | ≤ 30 ug/L | 62% |
| July 2026 | 004 | Nitrogen, ammonia total [as N], 30-day average | 39.2 mg/L | ≤ 19 mg/L | 106% |
| July 2026 | 005 | Sulfate, 30-day average | 2484.02 mg/L | ≤ 902 mg/L | 175% |
| July 2026 | 005 | Uranium, total, 30-day average | 61.6 ug/L | ≤ 30 ug/L | 105% |
| August 2026 | 004 | Nitrogen, ammonia total [as N], 30-day average | 37.3 mg/L | ≤ 12 mg/L | 211% |
| August 2026 | 005 | Sulfate, 30-day average | 1942.6 mg/L | ≤ 902 mg/L | 115% |
| August 2026 | 005 | Uranium, total, 30-day average | 54.5 ug/L | ≤ 30 ug/L | 82% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6.5 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 003 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) | all year | 003 |
| Cyanide, weak acid, dissociable | daily maximum | report only (ug/L) | all year | 003 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 003 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 003 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 003 |
| Iron, dissolved [as Fe] | 30-day average | report only (ug/L) | all year | 003 |
| Manganese, dissolved [as Mn] | 30-day average | report only (ug/L) | all year | 003 |
| Nickel, total recoverable | 30-day average | report only (ug/L) | all year | 003 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 003 |
| Chromium, hexavalent dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 003 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 003 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 003 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 003 |
| Silver, potentially dissolved | 30-day average | report only (ug/L) | all year | 003 |
| Silver, potentially dissolved | daily maximum | report only (ug/L) | all year | 003 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 003 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 003 |
| Arsenic, potentially dissolved | daily maximum | report only (ug/L) | all year | 003 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 003 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 003 |
| Chromium, trivalent, potentially dissolvd | 30-day average | report only (ug/L) | all year | 003 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 003 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 003 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 003 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 003 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 003 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 003 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 003 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 003 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 003 |
| Chromium, trivalent total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Radium 226 + radium 228, total | 30-day average | report only (pCi/L) | all year | 003 |
| Uranium, total | 30-day average | report only (ug/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .76 MGD | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Chlorine, total residual | 30-day average | report only (mg/L) | all year | 003 |
| Chlorine, total residual | instantaneous maximum | report only (mg/L) | all year | 003 |
| Mercury, total [low level] | 30-day average | report only (mg/L) | all year | 003 |
| E. coli | 30-day geometric mean | report only (#/100mL) | all year | 003 |
| E. coli | maximum 7-day geometric mean | report only (#/100mL) | all year | 003 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day arithmetic mean | report only (mg/L) | all year | 003 |
| Nonylphenol | 30-day arithmetic mean | report only (ug/L) | all year | 003 |
| Nonylphenol | daily maximum | report only (ug/L) | all year | 003 |
| Sulfate | 30-day average | report only (mg/L) | all year | 003 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 003 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | report only (mg/L) | all year | 004 |
| pH | minimum | ≥ 6.5 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | 30-day average | ≤ 75 mg/L | all year | 004 |
| Solids, total suspended | maximum 7-day average | ≤ 110 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Jan | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Feb | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Mar | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Apr | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | May | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Jun | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Jul | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Aug | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Sep | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Oct | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Nov | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | report only (mg/L) | Dec | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 55 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 28 mg/L | Feb | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 21 mg/L | Mar | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 18 mg/L | Apr | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 26 mg/L | May | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 11 mg/L | Jun | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 19 mg/L | Jul | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 12 mg/L | Aug | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 43 mg/L | Sep | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 24 mg/L | Oct | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 20 mg/L | Nov | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 28 mg/L | Dec | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Jan | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Feb | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 48 mg/L | Mar | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 51 mg/L | Apr | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 54 mg/L | May | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Jun | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Jul | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Aug | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Sep | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Oct | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 41 mg/L | Nov | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Dec | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Feb | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 48 mg/L | Mar | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 51 mg/L | Apr | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 54 mg/L | May | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Jun | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Jul | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Aug | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Sep | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Oct | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 41 mg/L | Nov | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 65 mg/L | Dec | 004 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) | all year | 004 |
| Cyanide, weak acid, dissociable | daily maximum | report only (ug/L) | all year | 004 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 004 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Iron, dissolved [as Fe] | 30-day average | report only (ug/L) | all year | 004 |
| Manganese, dissolved [as Mn] | 30-day average | report only (ug/L) | all year | 004 |
| Nickel, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Chromium, hexavalent dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 004 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 004 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 004 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 004 |
| Silver, potentially dissolved | 30-day arithmetic mean | report only (ug/L) | all year | 004 |
| Silver, potentially dissolved | daily maximum | report only (ug/L) | all year | 004 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 004 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 004 |
| Arsenic, potentially dissolved | daily maximum | report only (ug/L) | all year | 004 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Chromium, trivalent, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 004 |
| Chromium, trivalent total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Radium 226 + radium 228, total | 30-day average | report only (pCi/L) | all year | 004 |
| Uranium, total | 30-day average | report only (ug/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .5 MGD | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Chlorine, total residual | 30-day average | report only (mg/L) | all year | 004 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 004 |
| Mercury, total [low level] | 30-day average | report only (mg/L) | all year | 004 |
| E. coli | 30-day geometric mean | report only (#/100mL) | all year | 004 |
| E. coli | maximum 7-day geometric mean | report only (#/100mL) | all year | 004 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day average | report only (mg/L) | all year | 004 |
| Nonylphenol | 30-day average | report only (ug/L) | all year | 004 |
| Nonylphenol | daily maximum | report only (ug/L) | all year | 004 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 004 |
| Sulfate | 30-day average | report only (mg/L) | all year | 004 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 004 |
| Nitrogen, inorganic total | daily maximum | report only (mg/L) | all year | 005 |
| Cyanide, weak acid, dissociable | 30-day average | ≤ 5 ug/L | all year | 005 |
| Cyanide, weak acid, dissociable | daily maximum | report only (ug/L) | all year | 005 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 005 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 005 |
| Iron, dissolved [as Fe] | 30-day average | report only (ug/L) | all year | 005 |
| Manganese, dissolved [as Mn] | 30-day average | report only (ug/L) | all year | 005 |
| Nickel, total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 005 |
| Chromium, hexavalent dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 005 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 005 |
| Silver, potentially dissolved | 30-day average | report only (ug/L) | all year | 005 |
| Silver, potentially dissolved | daily maximum | report only (ug/L) | all year | 005 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 005 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 005 |
| Arsenic, potentially dissolved | daily maximum | report only (ug/L) | all year | 005 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Chromium, trivalent, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 005 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Selenium, potentially dissolvd | 30-day average | ≤ 28.4 ug/L | all year | 005 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 005 |
| Chromium, trivalent total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Radium 226 + radium 228, total | 30-day average | report only (pCi/L) | all year | 005 |
| Uranium, total | 30-day average | report only (ug/L) | all year | 005 |
| Uranium, total | 30-day average | ≤ 30 ug/L | all year | 005 |
| Uranium, total | daily maximum | report only (ug/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ 1.26 MGD | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Chlorine, total residual | 30-day average | ≤ .086 mg/L | all year | 005 |
| Chlorine, total residual | daily maximum | ≤ .12 mg/L | all year | 005 |
| Mercury, total [low level] | 30-day average | report only (mg/L) | all year | 005 |
| Mercury, total [low level] | 30-day average | ≤ .01 mg/L | all year | 005 |
| E. coli | 30-day geometric mean | ≤ 222 #/100mL | all year | 005 |
| E. coli | maximum 7-day geometric mean | ≤ 444 #/100mL | all year | 005 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day average | report only (mg/L) | all year | 005 |
| Nonylphenol | 30-day average | report only (ug/L) | all year | 005 |
| Nonylphenol | daily maximum | report only (ug/L) | all year | 005 |
| Sulfate | 30-day average | report only (mg/L) | all year | 005 |
| Sulfate | 30-day average | ≤ 902 mg/L | all year | 005 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | single sample | report only (tox chronic) | all year | 005 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | report only (tox chronic) | all year | 005 |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum value | ≥ 13 tox chronic | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | single sample | report only (tox chronic) | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | report only (tox chronic) | all year | 005 |
| Static Renewal 7 Day Chronic Pimephales promelas | minimum value | ≥ 13 tox chronic | all year | 005 |
| Plant capacity fact. percent of capacity | 30-day average | report only (%) | all year | 300 |
| Plant capacity fact. percent of capacity | 30-day average | report only (%) | all year | 300 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 300 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | report only (mg/L) | all year | 300 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (lb/d) | all year | 300 |
| BOD, 5-day, 20 deg. C | maximum 7-day average | report only (lb/d) | all year | 300 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 300 |
| Solids, total suspended | maximum 7-day average | report only (mg/L) | all year | 300 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 300 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 300 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 300 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 300 |
Cited limits by parameter: Colorado's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/CO0040690 · MCP: https://passage-data.com/mcp