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Museums And Art Galleries, Cabo Rojo, Puerto Rico. NPDES permit PR0021326 expired Sep 30, 2017; its limits still apply. Last 12 months: over a limit 192 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 001 | BOD, 5-day, percent removal, monthly average minimum | 69 % | ≥ 85 % | 107% |
| October 2025 | 001 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| October 2025 | 001 | Copper, total [as Cu], daily maximum | 17.3 ug/L | ≤ 3.73 ug/L | 364% |
| October 2025 | 001 | Enterococci, geometric mean | > 24196 #/100mL | ≤ 35 #/100mL | — |
| October 2025 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| October 2025 | 001 | Sulfate, total [as SO4], daily maximum | 23727 ug/L | ≤ 2800 ug/L | 747% |
| October 2025 | 002 | BOD, 5-day, percent removal, monthly average minimum | 0 % | ≥ 85 % | 567% |
| October 2025 | 002 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| October 2025 | 002 | Copper, total [as Cu], daily maximum | 394 ug/L | ≤ 2.9 ug/L | 13486% |
| October 2025 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | > 24196 #/100mL | ≤ 35 #/100mL | — |
| October 2025 | 002 | Flow, in conduit or thru treatment plant, daily maximum | .03309 MGD | ≤ .02 MGD | 65% |
| October 2025 | 002 | Oxygen, dissolved [DO], instantaneous minimum | 2.3 mg/L | ≥ 5 mg/L | 54% |
| October 2025 | 002 | Sulfate, total [as SO4], daily maximum | 1673000 ug/L | ≤ 2800 ug/L | 59650% |
| October 2025 | 002 | pH, minimum | 5.4 SU | ≥ 7.3 SU | — |
| November 2025 | 001 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| November 2025 | 001 | Copper, total [as Cu], daily maximum | 19.8 ug/L | ≤ 3.73 ug/L | 431% |
| November 2025 | 001 | Enterococci, geometric mean | 778 #/100mL | ≤ 35 #/100mL | 2123% |
| November 2025 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| November 2025 | 001 | Solids, total suspended, 30-day average | 48.6 mg/L | ≤ 30 mg/L | 62% |
| November 2025 | 001 | Solids, total suspended, average | 48.6 mg/L | ≤ 30 mg/L | 62% |
| November 2025 | 001 | Sulfate, total [as SO4], daily maximum | 43800 ug/L | ≤ 2800 ug/L | 1464% |
| November 2025 | 001 | Zinc, total [as Zn], daily maximum | 88.4 ug/L | ≤ 85.62 ug/L | 3% |
| November 2025 | 001 | pH, minimum | 7.2 SU | ≥ 7.3 SU | — |
| November 2025 | 002 | BOD, 5-day, percent removal, monthly average minimum | 72 % | ≥ 85 % | 87% |
| November 2025 | 002 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| November 2025 | 002 | Copper, total [as Cu], daily maximum | 487 ug/L | ≤ 2.9 ug/L | 16693% |
| November 2025 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | 13253 #/100mL | ≤ 35 #/100mL | 37766% |
| November 2025 | 002 | Flow, in conduit or thru treatment plant, daily maximum | .026597 MGD | ≤ .02 MGD | 33% |
| November 2025 | 002 | Oxygen, dissolved [DO], instantaneous minimum | 2.3 mg/L | ≥ 5 mg/L | 54% |
| November 2025 | 002 | Sulfate, total [as SO4], daily maximum | 19997 ug/L | ≤ 2800 ug/L | 614% |
| November 2025 | 002 | Zinc, total [as Zn], daily maximum | 44.9 % | ≤ 81 ug/L | — |
| November 2025 | 002 | pH, minimum | 6.5 SU | ≥ 7.3 SU | — |
| December 2025 | 001 | Copper, total [as Cu], daily maximum | 24 ug/L | ≤ 3.73 ug/L | 543% |
| December 2025 | 001 | Enterococci, geometric mean | 76 #/100mL | ≤ 35 #/100mL | 117% |
| December 2025 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| December 2025 | 001 | Sulfate, total [as SO4], daily maximum | 39293 ug/L | ≤ 2800 ug/L | 1303% |
| December 2025 | 001 | Zinc, total [as Zn], daily maximum | 91.1 ug/L | ≤ 85.62 ug/L | 6% |
| December 2025 | 001 | pH, minimum | 7 SU | ≥ 7.3 SU | — |
| December 2025 | 002 | BOD, 5-day, percent removal, monthly average minimum | .38 % | ≥ 85 % | 564% |
| December 2025 | 002 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| December 2025 | 002 | Coliform, fecal general, 30-day geometric mean | > 6000 #/100mL | ≤ 2000 #/100mL | — |
| December 2025 | 002 | Copper, total [as Cu], daily maximum | 70.9 ug/L | ≤ 2.9 ug/L | 2345% |
| December 2025 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | 12050 #/100mL | ≤ 35 #/100mL | 34329% |
| December 2025 | 002 | Flow, in conduit or thru treatment plant, daily maximum | .022222 MGD | ≤ .02 MGD | 11% |
| December 2025 | 002 | Oxygen, dissolved [DO], instantaneous minimum | 2.3 mg/L | ≥ 5 mg/L | 54% |
| December 2025 | 002 | Sulfate, total [as SO4], daily maximum | 1972000 ug/L | ≤ 2800 ug/L | 70329% |
| December 2025 | 002 | pH, minimum | 6.4 SU | ≥ 7.3 SU | — |
| January 2026 | 001 | Copper, total [as Cu], daily maximum | 10.4 ug/L | ≤ 3.73 ug/L | 179% |
| January 2026 | 001 | Enterococci, geometric mean | 679 #/100mL | ≤ 35 #/100mL | 1840% |
| January 2026 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| January 2026 | 001 | Flow, in conduit or thru treatment plant, daily maximum | .024372 MGD | ≤ .02 MGD | 22% |
| January 2026 | 001 | Nitrogen, Total as NO3 + NH3, daily maximum | 38500 ug/L | ≤ 5000 ug/L | 670% |
| January 2026 | 001 | Solids, suspended percent removal, monthly average minimum | .5 % | ≥ 30 % | 42% |
| January 2026 | 001 | Sulfate, total [as SO4], daily maximum | 13000 ug/L | ≤ 2800 ug/L | 364% |
| January 2026 | 002 | BOD, 5-day, percent removal, monthly average minimum | .19 % | ≥ 85 % | 565% |
| January 2026 | 002 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| January 2026 | 002 | Coliform, fecal general, 30-day geometric mean | > 6000 #/100mL | ≤ 2000 #/100mL | — |
| January 2026 | 002 | Copper, total [as Cu], daily maximum | 75.3 ug/L | ≤ 2.9 ug/L | 2497% |
| January 2026 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | > 24196 #/100mL | ≤ 35 #/100mL | — |
| January 2026 | 002 | Nitrogen, total [as N], daily maximum | 5120 ug/L | ≤ 5000 ug/L | 2% |
| January 2026 | 002 | Oxygen, dissolved [DO], instantaneous minimum | 2.6 mg/L | ≥ 5 mg/L | 48% |
| January 2026 | 002 | pH, minimum | 6.8 SU | ≥ 7.3 SU | — |
| February 2026 | 001 | BOD, 5-day, percent removal, monthly average minimum | 78 % | ≥ 85 % | 47% |
| February 2026 | 001 | Copper, total [as Cu], daily maximum | 12.9 ug/L | ≤ 3.73 ug/L | 246% |
| February 2026 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| February 2026 | 001 | Sulfate, total [as SO4], daily maximum | 11223 ug/L | ≤ 2800 ug/L | 301% |
| February 2026 | 001 | pH, minimum | 7.1 SU | ≥ 7.3 SU | — |
| February 2026 | 002 | BOD, 5-day, percent removal, monthly average minimum | 72 % | ≥ 85 % | 87% |
| February 2026 | 002 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| February 2026 | 002 | Coliform, fecal general, 30-day geometric mean | > 6000 #/100mL | ≤ 2000 #/100mL | — |
| February 2026 | 002 | Copper, total [as Cu], daily maximum | 73.3 ug/L | ≤ 2.9 ug/L | 2428% |
| February 2026 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | > 24196 #/100mL | ≤ 35 #/100mL | — |
| February 2026 | 002 | Flow, in conduit or thru treatment plant, daily maximum | .025717 MGD | ≤ .02 MGD | 29% |
| February 2026 | 002 | Oxygen, dissolved [DO], instantaneous minimum | 2.3 mg/L | ≥ 5 mg/L | 54% |
| February 2026 | 002 | Sulfate, total [as SO4], daily maximum | 163528 ug/L | ≤ 2800 ug/L | 5740% |
| February 2026 | 002 | pH, minimum | 6.8 SU | ≥ 7.3 SU | — |
| March 2026 | 001 | BOD, 5-day, percent removal, monthly average minimum | 71 % | ≥ 85 % | 93% |
| March 2026 | 001 | Copper, total [as Cu], daily maximum | 11.8 ug/L | ≤ 3.73 ug/L | 216% |
| March 2026 | 001 | Enterococci, geometric mean | 389 #/100mL | ≤ 35 #/100mL | 1011% |
| March 2026 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| March 2026 | 001 | Nitrogen, Total as NO3 + NH3, daily maximum | 33675 ug/L | ≤ 5000 ug/L | 574% |
| March 2026 | 001 | Solids, suspended percent removal, monthly average minimum | 20 % | ≥ 30 % | 14% |
| March 2026 | 001 | Sulfate, total [as SO4], daily maximum | 17400 ug/L | ≤ 2800 ug/L | 521% |
| March 2026 | 002 | BOD, 5-day, percent removal, monthly average minimum | 0 % | ≥ 85 % | 567% |
| March 2026 | 002 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| March 2026 | 002 | Copper, total [as Cu], daily maximum | 310 ug/L | ≤ 2.9 ug/L | 10590% |
| March 2026 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | 3198 #/100mL | ≤ 35 #/100mL | 9037% |
| March 2026 | 002 | Oxygen, dissolved [DO], instantaneous minimum | 2.3 mg/L | ≥ 5 mg/L | 54% |
| March 2026 | 002 | Turbidity, daily maximum | 10.6 NTU | ≤ 10 NTU | — |
| March 2026 | 002 | pH, minimum | 6.3 SU | ≥ 7.3 SU | — |
| April 2026 | 001 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| April 2026 | 001 | Coliform, fecal general, 30-day geometric mean | 4864 #/100mL | ≤ 2000 #/100mL | 143% |
| April 2026 | 001 | Copper, total [as Cu], daily maximum | 12 ug/L | ≤ 3.73 ug/L | 222% |
| April 2026 | 001 | Enterococci, geometric mean | 4244 #/100mL | ≤ 35 #/100mL | 12026% |
| April 2026 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| April 2026 | 001 | Nitrogen, Total as NO3 + NH3, daily maximum | 71700 ug/L | ≤ 5000 ug/L | 1334% |
| April 2026 | 001 | Sulfate, total [as SO4], daily maximum | 37300 ug/L | ≤ 2800 ug/L | 1232% |
| April 2026 | 001 | Zinc, total [as Zn], daily maximum | 380 ug/L | ≤ 85.62 ug/L | 344% |
| April 2026 | 001 | pH, minimum | 3 SU | ≥ 7.3 SU | — |
| April 2026 | 002 | BOD, 5-day, percent removal, monthly average minimum | 76 % | ≥ 85 % | 60% |
| April 2026 | 002 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| April 2026 | 002 | Coliform, fecal general, 30-day geometric mean | > 6000 #/100mL | ≤ 2000 #/100mL | — |
| April 2026 | 002 | Copper, total [as Cu], daily maximum | 10 ug/L | ≤ 2.9 ug/L | 245% |
| April 2026 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | 16407 #/100mL | ≤ 35 #/100mL | 46777% |
| April 2026 | 002 | Flow, in conduit or thru treatment plant, daily maximum | .032861 MGD | ≤ .02 MGD | 64% |
| April 2026 | 002 | Turbidity, daily maximum | 17.6 NTU | ≤ 10 NTU | — |
| April 2026 | 002 | pH, minimum | 6.7 SU | ≥ 7.3 SU | — |
| May 2026 | 001 | BOD, 5-day, percent removal, monthly average minimum | 0 % | ≥ 85 % | 567% |
| May 2026 | 001 | Copper, total [as Cu], daily maximum | 10 % | ≤ 3.73 ug/L | — |
| May 2026 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| May 2026 | 001 | Lead, total [as Pb], daily maximum | < 32 % | ≤ 8.52 ug/L | — |
| May 2026 | 001 | Nitrogen, Total as NO3 + NH3, daily maximum | < 1000 mg/L | ≤ 5000 ug/L | 19900% |
| May 2026 | 001 | Sulfate, total [as SO4], daily maximum | 6100 ug/L | ≤ 2800 ug/L | 118% |
| May 2026 | 001 | Surfactants [MBAS], daily maximum | < 643 mg/L | ≤ 500 ug/L | — |
| May 2026 | 001 | Turbidity, daily maximum | 23.5 NTU | ≤ 10 NTU | — |
| May 2026 | 001 | Zinc, total [as Zn], daily maximum | 31.1 % | ≤ 85.62 ug/L | — |
| May 2026 | 001 | pH, minimum | 6.7 SU | ≥ 7.3 SU | — |
| May 2026 | 002 | BOD, 5-day, percent removal, monthly average minimum | 0 % | ≥ 85 % | 567% |
| May 2026 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | 742 #/100mL | ≤ 35 #/100mL | 2020% |
| May 2026 | 002 | Flow, in conduit or thru treatment plant, daily maximum | .29196 MGD | ≤ .02 MGD | 1360% |
| May 2026 | 002 | Oxygen, dissolved [DO], instantaneous minimum | 2.6 mg/L | ≥ 5 mg/L | 48% |
| May 2026 | 002 | Sulfate, total [as SO4], daily maximum | 2330000 ug/L | ≤ 2800 ug/L | 83114% |
| May 2026 | 002 | Turbidity, daily maximum | 14.5 NTU | ≤ 10 NTU | — |
| May 2026 | 002 | pH, minimum | 6.7 SU | ≥ 7.3 SU | — |
| June 2026 | 001 | BOD, 5-day, 20 deg. C, 7-day average | 54 mg/L | ≤ 45 mg/L | 20% |
| June 2026 | 001 | BOD, 5-day, 20 deg. C, monthly average | 54 mg/L | ≤ 30 mg/L | 80% |
| June 2026 | 001 | BOD, 5-day, percent removal, monthly average minimum | 49 % | ≥ 85 % | 240% |
| June 2026 | 001 | Coliform, fecal - % samples exceeding limit, 20% of samples | 90 % | ≤ 20 % | 350% |
| June 2026 | 001 | Coliform, fecal general, 30-day geometric mean | > 6000 #/100mL | ≤ 2000 #/100mL | — |
| June 2026 | 001 | Copper, total [as Cu], daily maximum | 23.4 ug/L | ≤ 3.73 ug/L | 527% |
| June 2026 | 001 | Enterococci, geometric mean | > 24196 #/100mL | ≤ 35 #/100mL | — |
| June 2026 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| June 2026 | 001 | Flow, in conduit or thru treatment plant, daily maximum | .020358 MGD | ≤ .02 MGD | 2% |
| June 2026 | 001 | Lead, total [as Pb], daily maximum | 10.7 ug/L | ≤ 8.52 ug/L | 26% |
| June 2026 | 001 | Nitrogen, Total as NO3 + NH3, daily maximum | 27877 ug/L | ≤ 5000 ug/L | 458% |
| June 2026 | 001 | Solids, suspended percent removal, monthly average minimum | 16 % | ≥ 30 % | 20% |
| June 2026 | 001 | Solids, total suspended, 30-day average | 44 mg/L | ≤ 30 mg/L | 47% |
| June 2026 | 001 | Solids, total suspended, average | 44 mg/L | ≤ 30 mg/L | 47% |
| June 2026 | 001 | Sulfide-hydrogen sulfide [undissociated], daily maximum | 103.2 ug/L | ≤ 2 ug/L | 5060% |
| June 2026 | 001 | Surfactants [MBAS], daily maximum | 1337 ug/L | ≤ 500 ug/L | 167% |
| June 2026 | 001 | Turbidity, daily maximum | 64.4 NTU | ≤ 10 NTU | — |
| June 2026 | 001 | pH, minimum | 6.8 SU | ≥ 7.3 SU | — |
| June 2026 | 002 | Copper, total [as Cu], daily maximum | 60 ug/L | ≤ 2.9 ug/L | 1969% |
| June 2026 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | 12126 #/100mL | ≤ 35 #/100mL | 34546% |
| June 2026 | 002 | Flow, in conduit or thru treatment plant, daily maximum | .29126 MGD | ≤ .02 MGD | 1356% |
| June 2026 | 002 | Nitrogen, total [as N], daily maximum | 6021 ug/L | ≤ 5000 ug/L | 20% |
| June 2026 | 002 | Oxygen, dissolved [DO], instantaneous minimum | 2.5 mg/L | ≥ 5 mg/L | 50% |
| June 2026 | 002 | Sulfate, total [as SO4], daily maximum | 2943 ug/L | ≤ 2800 ug/L | 5% |
| June 2026 | 002 | pH, minimum | 6 SU | ≥ 7.3 SU | — |
| July 2026 | 001 | BOD, 5-day, 20 deg. C, 7-day average | 194.4 mg/L | ≤ 45 mg/L | 332% |
| July 2026 | 001 | BOD, 5-day, 20 deg. C, monthly average | 194.4 mg/L | ≤ 30 mg/L | 548% |
| July 2026 | 001 | BOD, 5-day, percent removal, monthly average minimum | 55 % | ≥ 85 % | 200% |
| July 2026 | 001 | Coliform, fecal - % samples exceeding limit, 20% of samples | 90 % | ≤ 20 % | 350% |
| July 2026 | 001 | Coliform, fecal general, 30-day geometric mean | > 6000 #/100mL | ≤ 2000 #/100mL | — |
| July 2026 | 001 | Copper, total [as Cu], daily maximum | 12.5 ug/L | ≤ 3.73 ug/L | 235% |
| July 2026 | 001 | Enterococci, geometric mean | > 24196 #/100mL | ≤ 35 #/100mL | — |
| July 2026 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| July 2026 | 001 | Nitrogen, Total as NO3 + NH3, daily maximum | 9174 ug/L | ≤ 5000 ug/L | 83% |
| July 2026 | 001 | Solids, total suspended, 30-day average | 110 mg/L | ≤ 30 mg/L | 267% |
| July 2026 | 001 | Solids, total suspended, average | 110 mg/L | ≤ 30 mg/L | 267% |
| July 2026 | 001 | Sulfate, total [as SO4], daily maximum | 25600 ug/L | ≤ 2800 ug/L | 814% |
| July 2026 | 001 | Sulfide-hydrogen sulfide [undissociated], daily maximum | 696 ug/L | ≤ 2 ug/L | 34700% |
| July 2026 | 001 | Surfactants [MBAS], daily maximum | 1347 ug/L | ≤ 500 ug/L | 169% |
| July 2026 | 001 | Turbidity, daily maximum | 77.6 NTU | ≤ 10 NTU | — |
| July 2026 | 001 | pH, minimum | 7 SU | ≥ 7.3 SU | — |
| July 2026 | 002 | BOD, 5-day, percent removal, monthly average minimum | 55 % | ≥ 85 % | 200% |
| July 2026 | 002 | Coliform, fecal - % samples exceeding limit, 20% of samples | 30 % | ≤ 20 % | 50% |
| July 2026 | 002 | Coliform, fecal general, 30-day geometric mean | 3715 #/100mL | ≤ 2000 #/100mL | 86% |
| July 2026 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | < 24196 #/100mL | ≤ 35 #/100mL | 69031% |
| July 2026 | 002 | Flow, in conduit or thru treatment plant, daily maximum | .032041 MGD | ≤ .02 MGD | 60% |
| July 2026 | 002 | Nitrogen, total [as N], daily maximum | 12557 ug/L | ≤ 5000 ug/L | 151% |
| July 2026 | 002 | Solids, total suspended, 30-day average | 83.1 mg/L | ≤ 30 mg/L | 177% |
| July 2026 | 002 | Solids, total suspended, 7-day average | 83.1 mg/L | ≤ 45 mg/L | 85% |
| July 2026 | 002 | Sulfate, total [as SO4], daily maximum | 2280000 ug/L | ≤ 2800 ug/L | 81329% |
| July 2026 | 002 | Temperature, water deg. centigrade, daily maximum | 32.3 deg C | ≤ 32.2 deg C | 0% |
| July 2026 | 002 | Turbidity, daily maximum | 13.6 NTU | ≤ 10 NTU | — |
| August 2026 | 001 | Copper, total [as Cu], daily maximum | 28 ug/L | ≤ 3.73 ug/L | 651% |
| August 2026 | 001 | Enterococci, geometric mean | 97 #/100mL | ≤ 35 #/100mL | 177% |
| August 2026 | 001 | Enterococci - % of upper confidence limit, geometric mean | 104 % | ≤ 75 % | 39% |
| August 2026 | 001 | Sulfate, total [as SO4], daily maximum | 9870 ug/L | ≤ 2800 ug/L | 253% |
| August 2026 | 001 | Turbidity, daily maximum | 68.6 NTU | ≤ 10 NTU | — |
| August 2026 | 001 | Zinc, total [as Zn], daily maximum | 201 ug/L | ≤ 85.62 ug/L | 135% |
| August 2026 | 001 | pH, minimum | 6.7 SU | ≥ 7.3 SU | — |
| August 2026 | 002 | BOD, 5-day, percent removal, monthly average minimum | 10 % | ≥ 85 % | 500% |
| August 2026 | 002 | Coliform, fecal - % samples exceeding limit, 20% of samples | 100 % | ≤ 20 % | 400% |
| August 2026 | 002 | Enterococci: group D, MF trans, M-E, EIA, geometric mean | 1000 #/100mL | ≤ 35 #/100mL | 2757% |
| August 2026 | 002 | Flow, in conduit or thru treatment plant, daily maximum | .32142 MGD | ≤ .02 MGD | 1507% |
| August 2026 | 002 | Oxygen, dissolved [DO], instantaneous minimum | 2.7 mg/L | ≥ 5 mg/L | 46% |
| August 2026 | 002 | Sulfate, total [as SO4], daily maximum | 264300 ug/L | ≤ 2800 ug/L | 9339% |
| August 2026 | 002 | Temperature, water deg. centigrade, daily maximum | 33.2 deg C | ≤ 32.2 deg C | 3% |
| August 2026 | 002 | Turbidity, daily maximum | 16.9 NTU | ≤ 10 NTU | — |
| August 2026 | 002 | pH, minimum | 6.8 SU | ≥ 7.3 SU | — |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | ≤ 32.2 deg C | all year | 001 |
| Turbidity | daily maximum | ≤ 10 NTU | all year | 001 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 001 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 45 mg/L | all year | 001 |
| pH | minimum | ≥ 7.3 SU | all year | 001 |
| pH | maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | average | ≤ 30 mg/L | all year | 001 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 001 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | ≤ 2800 ug/L | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ 3.73 ug/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ 8.52 ug/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ 85.62 ug/L | all year | 001 |
| Coliform, fecal - % samples exceeding limit | 20% of samples | ≤ 20 % | all year | 001 |
| Surfactants [MBAS] | daily maximum | ≤ 500 ug/L | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .02 MGD | all year | 001 |
| Chlorine, total residual | maximum | ≤ .5 mg/L | all year | 001 |
| Sulfide-hydrogen sulfide [undissociated] | daily maximum | ≤ 2 ug/L | all year | 001 |
| Nitrogen, Total as NO3 + NH3 | daily maximum | ≤ 5000 ug/L | all year | 001 |
| Enterococci - % of upper confidence limit | geometric mean | ≤ 75 % | all year | 001 |
| Enterococci | geometric mean | ≤ 35 #/100mL | all year | 001 |
| Coliform, fecal general | 30-day geometric mean | ≤ 2000 #/100mL | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 30 % | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | ≤ 32.2 deg C | all year | 002 |
| Turbidity | daily maximum | ≤ 10 NTU | all year | 002 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 002 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 5 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | average | ≤ 30 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 002 |
| pH | minimum | ≥ 7.3 SU | all year | 002 |
| pH | maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year | 002 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | daily maximum | ≤ 5000 ug/L | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | ≤ 2800 ug/L | all year | 002 |
| Copper, total [as Cu] | daily maximum | ≤ 2.9 ug/L | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ 81 ug/L | all year | 002 |
| Coliform, fecal - % samples exceeding limit | 20% of samples | ≤ 20 % | all year | 002 |
| Enterococci: group D, MF trans, M-E, EIA | geometric mean | ≤ 35 #/100mL | all year | 002 |
| Enterococci: group D, MF trans, M-E, EIA | daily maximum | report only (#/100mL) | all year | 002 |
| Surfactants [MBAS] | daily maximum | ≤ 500 ug/L | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .02 MGD | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .5 mg/L | all year | 002 |
| Sulfide-hydrogen sulfide [undissociated] | daily maximum | ≤ 2 ug/L | all year | 002 |
| Coliform, fecal general | 30-day geometric mean | ≤ 2000 #/100mL | all year | 002 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 002 |
Cited limits by parameter: we hold no rule of Puerto Rico's own; the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/PR0021326 · MCP: https://passage-data.com/mcp