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Prasa Aguadilla RWWTP

Sewage treatment plant, major discharger, Aguadilla, Puerto Rico. NPDES permit PR0023736 expired Nov 30, 2020; its limits still apply. Last 12 months: over a limit 24 times (last August 2026), 1 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (37 values), form Q quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 3 required values missing, 1 of 16 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 24 values over a limit
Period endingParameterReportedLimitOver by
October 2025Coliform, fecal - % samples exceeding limit, 20% of samples100 %≤ 20 %400%
October 2025Coliform, fecal general, 30-day geometric mean1288 #/100mL≤ 200 #/100mL544%
November 2025Coliform, fecal - % samples exceeding limit, 20% of samples100 %≤ 20 %400%
November 2025Coliform, fecal general, 30-day geometric mean> 1600 #/100mL≤ 200 #/100mL—
November 2025Solids, total suspended, monthly average164 mg/L≤ 70 mg/L134%
November 2025Solids, total suspended, monthly average3439 kg/d≤ 2119.32 kg/d62%
November 2025Solids, total suspended, weekly average6703 kg/d≤ 4243.68 kg/d58%
December 2025Coliform, fecal - % samples exceeding limit, 20% of samples100 %≤ 20 %400%
December 2025Coliform, fecal general, 30-day geometric mean> 1600 #/100mL≤ 200 #/100mL—
December 2025Enterococci - % of upper confidence limit, geometric mean100 %≤ 75 %33%
December 2025Nickel, total [as Ni], daily maximum30.4 ug/L≤ 9.2 ug/L230%
December 2025Solids, total suspended, monthly average74 mg/L≤ 70 mg/L6%
December 2025Solids, total suspended, weekly average5209 kg/d≤ 4243.68 kg/d23%
February 2026Coliform, fecal - % samples exceeding limit, 20% of samples100 %≤ 20 %400%
February 2026Coliform, fecal general, 30-day geometric mean> 1600 #/100mL≤ 200 #/100mL—
February 2026Enterococci - % of upper confidence limit, geometric mean100 %≤ 75 %33%
April 2026Solids, total suspended, monthly average92 mg/L≤ 70 mg/L31%
May 2026Coliform, fecal - % samples exceeding limit, 20% of samples40 %≤ 20 %100%
May 2026Solids, suspended percent removal, monthly average minimum41 %≥ 50 %18%
June 2026Solids, total suspended, monthly average83 mg/L≤ 70 mg/L19%
August 2026Solids, suspended percent removal, monthly average minimum31 %≥ 50 %38%
August 2026Solids, total suspended, monthly average119 mg/L≤ 70 mg/L70%
August 2026Solids, total suspended, monthly average2617 kg/d≤ 2119.32 kg/d23%
August 2026Solids, total suspended, weekly average7138 kg/d≤ 4243.68 kg/d68%

Limits in force (43)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximum≤ 32.2 deg Call year
Turbiditydaily maximum≤ 176 NTUall year
Color [PT-CO units]daily maximum≤ 65 col unit (pc)all year
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 106 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 3213.07 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 6426.14 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 70 mg/Lall year
Solids, total suspendedmonthly average≤ 2119.32 kg/dall year
Solids, total suspendedweekly average≤ 4243.68 kg/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly averagereport only (mg/L)all year
Solids, settleabledaily maximumreport only (mL/L)all year
Oil & Greasedaily maximumreport only (mg/L)all year
Nitrogen, total [as N]daily maximum≤ 81.791 mg/Lall year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily maximum≤ 505.05 ug/Lall year
Nickel, total [as Ni]daily maximum≤ 9.2 ug/Lall year
Silver, total [as Ag]daily maximum≤ 13.8 ug/Lall year
Zinc, total [as Zn]daily maximum≤ 151.06 ug/Lall year
Coliform, fecal - % samples exceeding limit20% of samples≤ 20 %all year
Surfactants [MBAS]daily maximum≤ 8305 ug/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximum≤ 15 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .5 mg/Lall year
Cyanide, free availabledaily maximum≤ 10.7 ug/Lall year
Sulfide-hydrogen sulfide [undissociated]daily maximum≤ 107 ug/Lall year
Enterococci - % of upper confidence limitgeometric meanreport only (%)all year
Enterococci - % of upper confidence limitgeometric mean≤ 75 %all year
Enterococcigeometric meanreport only (#/100mL)all year
Mercury, total [as Hg]daily maximum≤ .344 ug/Lall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
BOD, 5-day, percent removalmonthly average minimum≥ 30 %all year
Solids, suspended percent removalmonthly average minimum≥ 50 %all year
% Effect Static Chronic Arbacia punctulataminimumreport only (%)all year
NOEC Sub-Lethal Static Renewal 7 Day Chronic Cyprinodeon variegatusminimumreport only (%)all year
% Growth Reduction Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)minimumreport only (%)all year

How strict are these limits?

Cited limits by parameter: we hold no rule of Puerto Rico's own; 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/PR0023736 · MCP: https://passage-data.com/mcp