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Prasa Barceloneta

Sewage treatment plant, major discharger, Barceloneta, Puerto Rico. NPDES permit PR0021237 expired Oct 31, 2025; its limits still apply. Last 12 months: over a limit 43 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (35 values), form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
19 values over a limit, 0 required values missing, 0 of 13 reports late

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

All 43 values over a limit
Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, weekly average65 mg/L≤ 45 mg/L44%
December 2025Copper, total [as Cu], daily maximum172.66 ug/L≤ 100.2 ug/L72%
December 2025Solids, suspended percent removal, monthly average minimum61 %≥ 85 %160%
December 2025Solids, total suspended, monthly average1169 kg/d≤ 946 kg/d24%
December 2025Solids, total suspended, monthly average57 mg/L≤ 30 mg/L90%
December 2025Solids, total suspended, weekly average150 mg/L≤ 45 mg/L233%
December 2025Solids, total suspended, weekly average2888 kg/d≤ 1420 kg/d103%
December 2025Turbidity, daily maximum150 NTU≤ 32.36 NTU—
December 2025Zinc, total [as Zn], daily maximum180 ug/L≤ 144.1 ug/L25%
March 2026Solids, suspended percent removal, monthly average minimum77 %≥ 85 %53%
March 2026Solids, total suspended, weekly average64 mg/L≤ 45 mg/L42%
April 2026Solids, suspended percent removal, monthly average minimum60 %≥ 85 %167%
April 2026Solids, total suspended, monthly average1327 kg/d≤ 946 kg/d40%
April 2026Solids, total suspended, monthly average58 mg/L≤ 30 mg/L93%
April 2026Solids, total suspended, weekly average120 mg/L≤ 45 mg/L167%
April 2026Solids, total suspended, weekly average1969 kg/d≤ 1420 kg/d39%
April 2026Turbidity, daily maximum36 NTU≤ 32.36 NTU—
May 2026BOD, 5-day, 20 deg. C, monthly average16 mg/L≤ 15.26 mg/L5%
May 2026BOD, 5-day, percent removal, monthly average minimum71 %≥ 85 %93%
May 2026Solids, suspended percent removal, monthly average minimum60 %≥ 85 %167%
May 2026Solids, total suspended, monthly average32 mg/L≤ 30 mg/L7%
May 2026Solids, total suspended, weekly average2076 kg/d≤ 1420 kg/d46%
May 2026Solids, total suspended, weekly average82 mg/L≤ 45 mg/L82%
June 2026BOD, 5-day, 20 deg. C, monthly average18 mg/L≤ 15.26 mg/L18%
June 2026BOD, 5-day, 20 deg. C, weekly average53 mg/L≤ 45 mg/L18%
June 2026Solids, total suspended, monthly average1106 kg/d≤ 946 kg/d17%
June 2026Solids, total suspended, monthly average58 mg/L≤ 30 mg/L93%
June 2026Solids, total suspended, weekly average150 mg/L≤ 45 mg/L233%
June 2026Solids, total suspended, weekly average2854 kg/d≤ 1420 kg/d101%
July 2026BOD, 5-day, 20 deg. C, monthly average19 mg/L≤ 15.26 mg/L25%
July 2026BOD, 5-day, 20 deg. C, weekly average1560 kg/d≤ 1420 kg/d10%
July 2026BOD, 5-day, 20 deg. C, weekly average58 mg/L≤ 45 mg/L29%
July 2026Solids, suspended percent removal, monthly average minimum33 %≥ 85 %347%
July 2026Solids, total suspended, monthly average107 mg/L≤ 30 mg/L257%
July 2026Solids, total suspended, monthly average2757 kg/d≤ 946 kg/d191%
July 2026Solids, total suspended, weekly average10312 kg/d≤ 1420 kg/d626%
July 2026Solids, total suspended, weekly average380 mg/L≤ 45 mg/L744%
July 2026Turbidity, daily maximum37 NTU≤ 32.36 NTU—
August 2026BOD, 5-day, 20 deg. C, monthly average17 mg/L≤ 15.26 mg/L11%
August 2026BOD, 5-day, percent removal, monthly average minimum81 %≥ 85 %27%
August 2026Solids, suspended percent removal, monthly average minimum51 %≥ 85 %227%
August 2026Solids, total suspended, weekly average1585 kg/d≤ 1420 kg/d12%
August 2026Solids, total suspended, weekly average71 mg/L≤ 45 mg/L58%

Limits in force (42)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximum≤ 30 deg Call year
Temperature, water deg. centigradedaily maximum≤ 32 deg Call year
Turbiditydaily maximum≤ 32.36 NTUall year
Color [PT-CO units]daily maximumreport only (col unit (pc))all year
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 15.26 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 481 kg/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 1420 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 7.3 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 946 kg/dall year
Solids, total suspendedweekly average≤ 1420 kg/dall year
Solids, total suspendedmonthly 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 maximumreport only (ug/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily maximum≤ 100.2 ug/Lall year
Lead, total [as Pb]daily maximum≤ 18 ug/Lall year
Silver, total [as Ag]daily maximum≤ 2.73 ug/Lall year
Zinc, total [as Zn]daily maximum≤ 144.1 ug/Lall year
Surfactants [MBAS]daily maximum≤ 2105 ug/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximum≤ 8.33 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 352 ug/Lall year
Cyanide, free availabledaily maximum≤ 9.62 ug/Lall year
Sulfide-hydrogen sulfide [undissociated]daily maximum≤ 9.21 ug/Lall year
Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)minimumreport only (%)all year
Enterococcigeometric meanreport only (#/100mL)all year
Enterococci90th percentilereport only (#/100mL)all year
Mercury, total [as Hg]daily maximum≤ .091 ug/Lall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
% Effect Static Chronic Arbacia punctulataminimumreport only (%)all year
NOAEL Static 48Hr Acute Cyprinodon variegatusminimumreport 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/PR0021237 · MCP: https://passage-data.com/mcp