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Prasa San German

Sewage treatment plant, major discharger, San German, Puerto Rico. NPDES permit PR0020818, in force until Apr 30, 2031. Last 12 months: over a limit 20 times (last August 2026), 3 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (30 values), form Q quarterly, form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 18 reports late

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

All 20 values over a limit
Period endingParameterReportedLimitOver by
May 2026Ammonia & ammonium- total, daily maximum< .145 mg/L≤ .38 ug/L38058%
May 2026Color [PT-CO units], daily maximum20 col unit (pc)≤ 15 col unit (pc)—
May 2026Enterococci, 90th percentile2420 #/100mL≤ 130 #/100mL1762%
May 2026Enterococci, geometric mean281 #/100mL≤ 35 #/100mL703%
May 2026Nitrogen, total [as N], daily maximum11230 ug/L≤ 1700 ug/L561%
May 2026Phosphorus, total [as P], daily maximum1010 ug/L≤ 160 ug/L531%
June 2026Ammonia & ammonium- total, daily maximum< .145 mg/L≤ .38 ug/L38058%
June 2026Color [PT-CO units], daily maximum30 col unit (pc)≤ 15 col unit (pc)—
June 2026Enterococci, 90th percentile702.4 #/100mL≤ 130 #/100mL440%
June 2026Nitrogen, total [as N], daily maximum7360 ug/L≤ 1700 ug/L333%
June 2026Phosphorus, total [as P], daily maximum490 ug/L≤ 160 ug/L206%
July 2026Ammonia & ammonium- total, daily maximum.15 mg/L≤ .38 ug/L39374%
July 2026Enterococci, 90th percentile702.4 #/100mL≤ 130 #/100mL440%
July 2026Enterococci, geometric mean96 #/100mL≤ 35 #/100mL174%
July 2026Nitrogen, total [as N], daily maximum10740 ug/L≤ 1700 ug/L532%
August 2026Ammonia & ammonium- total, daily maximum< .145 mg/L≤ .38 ug/L38058%
August 2026Color [PT-CO units], daily maximum20 col unit (pc)≤ 15 col unit (pc)—
August 2026Enterococci, 90th percentile702.4 #/100mL≤ 130 #/100mL440%
August 2026Enterococci, geometric mean38 #/100mL≤ 35 #/100mL9%
August 2026Nitrogen, total [as N], daily maximum7920 ug/L≤ 1700 ug/L366%

Limits in force (39)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximum≤ 30 deg Call year
Turbiditydaily maximum≤ 50 NTUall year
Color [PT-CO units]daily maximum≤ 15 col unit (pc)all year
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 908 kg/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 1362 kg/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 908 kg/dall year
Solids, total suspendedmaximum weekly average≤ 1362 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≤ 1700 ug/Lall year
Phosphorus, total [as P]daily maximum≤ 160 ug/Lall year
Copper, total [as Cu]daily maximum≤ 15 ug/Lall year
Surfactants [MBAS]daily maximum≤ 100 ug/Lall year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all 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≤ 8 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 11 ug/Lall year
Sulfide-hydrogen sulfide [undissociated]daily maximum≤ 2 ug/Lall year
Whole Effluent Toxicity [WET] - P. promelasminimumreport only (%)all year
Whole Effluent Toxicity [WET] - D. magnaminimumreport only (%)all year
Enterococcigeometric mean≤ 35 #/100mLall year
Enterococci90th percentile≤ 130 #/100mLall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Ammonia & ammonium- totaldaily maximum≤ .38 ug/Lall 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/PR0020818 · MCP: https://passage-data.com/mcp