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PRASA Enrique Ortega WTP

Water Supply, major discharger, Toa Alta, Puerto Rico. NPDES permit PR0022616, in force until Jun 30, 2028. Last 12 months: over a limit 8 times (last August 2026), 2 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (13 values), form Q quarterly (1 value), form Y yearly
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 2 of 19 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, daily maximum41.4 mg/L≤ 30 mg/L38%
December 2025Lead, total [as Pb], daily maximum14.7 ug/L≤ 4.4 ug/L234%
December 2025Turbidity, daily maximum950 NTU≤ 500 NTU—
May 2026BOD, 5-day, 20 deg. C, daily maximum42.3 mg/L≤ 30 mg/L41%
May 2026Lead, total [as Pb], daily maximum4.72 ug/L≤ 4.4 ug/L7%
June 2026Temperature, water deg. centigrade, daily maximum30.1 deg C≤ 30 deg C0%
July 2026Temperature, water deg. centigrade, daily maximum32.7 deg C≤ 30 deg C9%
August 2026Temperature, water deg. centigrade, daily maximum32.8 deg C≤ 30 deg C9%

Limits in force (25)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximum≤ 30 deg Call year
Turbiditydaily maximum≤ 50 NTUall year
Turbiditydaily maximum≤ 500 NTUall year
Color [PT-CO units]daily maximum≤ 15 col unit (pc)all year
Color [PT-CO units]daily maximum≤ 40 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
BOD, 5-day, 20 deg. Cdaily maximum≤ 30 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, total [as N]daily maximum≤ 1700 ug/Lall year
Nitrogen, total [as N]daily maximumreport only (ug/L)all year
Arsenic, total [as As]daily maximum≤ 10 ug/Lall year
Arsenic, total [as As]daily maximumreport only (ug/L)all year
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily maximum≤ 12 ug/Lall year
Copper, total [as Cu]daily maximum≤ 702 ug/Lall year
Lead, total [as Pb]daily maximum≤ 4.4 ug/Lall year
Flow, in conduit or thru treatment plantdaily maximum≤ 4.128 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 11 ug/Lall year
Whole Effluent Toxicity [WET] - P. promelasminimumreport only (%)all year
Whole Effluent Toxicity [WET] - D. magnaminimumreport only (%)all year
Ammonia & ammonium- totaldaily maximumreport only (mg/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/PR0022616 · MCP: https://passage-data.com/mcp