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PRASA Sabana Grande WTP

Water Supply, Sabana Grande, Puerto Rico. NPDES permit PR0024007, in force until Sep 30, 2030. Last 12 months: over a limit 6 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (11 values), form Q quarterly (2 values), form Y yearly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, 20 deg. C, daily maximum5.76 mg/L≤ 5 mg/L15%
November 2025Copper, total [as Cu], daily maximum460.36 ug/L≤ 275 ug/L67%
January 2026Copper, total [as Cu], daily maximum429.14 ug/L≤ 275 ug/L56%
July 2026Copper, total [as Cu], daily maximum311.64 ug/L≤ 275 ug/L13%
August 2026Copper, total [as Cu], daily maximum1330 ug/L≤ 275 ug/L384%
September 2026Lead, total [as Pb], daily maximum16.42 ug/L≤ 6.4 ug/L157%

Limits in force (17)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximum≤ 30 deg Call year
Turbiditydaily maximum≤ 50 NTUall year
Turbiditydaily maximum≤ 2500 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. Cdaily maximum≤ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, settleabledaily maximumreport only (mL/L)all year
Phosphorus, total [as P]daily maximum≤ 160 ug/Lall year
Copper, total [as Cu]daily maximum≤ 14.9 ug/Lall year
Copper, total [as Cu]daily maximum≤ 275 ug/Lall year
Lead, total [as Pb]daily maximum≤ 6.4 ug/Lall year
Flow, in conduit or thru treatment plantdaily maximum≤ .072 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 11 ug/Lall year
Ammonia & ammonium- totaldaily maximum≤ .38 mg/Lall year

How strict are these limits?

Cited limits by parameter: we hold no rule of Puerto Rico's own; the federal ones.

Same industry: the 108 Water Supply permits in Puerto Rico.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PR0024007 · MCP: https://passage-data.com/mcp