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PRASA -La Boca - Barranquitas WTP

Water Supply, Barranquitas, Puerto Rico. NPDES permit PR0026565 expired Apr 30, 2024; its limits still apply. Last 12 months: over a limit once (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (8 values), form Q quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
August 2026Chlorine, total residual, daily maximum310 ug/L≤ 11 ug/L2718%

Limits in force (25)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximum≤ 32.2 deg Call year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Turbiditydaily maximum≤ 50 NTUall year
Turbiditydaily maximumreport only (NTU)all year
Color [PT-CO units]daily maximum≤ 15 col unit (pc)all year
Color [PT-CO units]daily maximumreport only (col unit (pc))all year
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximum≤ 5 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHminimum≥ 6 SUall year
pHminimumreport only (SU)all year
pHmaximum≤ 9 SUall year
pHmaximumreport only (SU)all year
Solids, settleabledaily maximumreport only (mL/L)all year
Phosphorus, total [as P]daily maximum≤ 160 ug/Lall year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Copper, total [as Cu]daily maximum≤ 10.4 ug/Lall year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantdaily maximum≤ .187 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 11 ug/Lall year
Solids, total dissolveddaily maximum≤ 500 mg/Lall year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Ammonia & ammonium- totaldaily maximumreport only (ug/L)all 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/PR0026565 · MCP: https://passage-data.com/mcp