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PRASA Cubuy WTP

Water Supply, Canovanas, Puerto Rico. NPDES permit PR0022462, in force until May 31, 2029. Last 12 months: over a limit 21 times (last August 2026), 2 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (11 values), form Q quarterly, form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
25 values over a limit, 0 required values missing, 3 of 18 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
October 2025Chlorine, total residual, daily maximum700 ug/L≤ 11 ug/L6264%
October 2025Lead, total [as Pb], daily maximum2.52 ug/L≤ 2.1 ug/L20%
October 2025Phosphorus, total [as P], daily maximum6920 ug/L≤ 5765 ug/L20%
October 2025Turbidity, daily maximum310 NTU≤ 50 NTU—
November 2025Chlorine, total residual, daily maximum800 ug/L≤ 11 ug/L7173%
November 2025Lead, total [as Pb], daily maximum5.15 ug/L≤ 2.1 ug/L145%
November 2025Phosphorus, total [as P], daily maximum9440 ug/L≤ 5765 ug/L64%
November 2025Turbidity, daily maximum1200 NTU≤ 50 NTU—
December 2025Chlorine, total residual, daily maximum800 ug/L≤ 11 ug/L7173%
January 2026Chlorine, total residual, daily maximum700 ug/L≤ 11 ug/L6264%
January 2026Turbidity, daily maximum140 NTU≤ 50 NTU—
February 2026Chlorine, total residual, daily maximum400 ug/L≤ 11 ug/L3536%
February 2026Turbidity, daily maximum240 NTU≤ 50 NTU—
March 2026Chlorine, total residual, daily maximum600 ug/L≤ 11 ug/L5355%
April 2026Chlorine, total residual, daily maximum530 ug/L≤ 11 ug/L4718%
May 2026Chlorine, total residual, daily maximum180 ug/L≤ 11 ug/L1536%
May 2026Phosphorus, total [as P], daily maximum6290 ug/L≤ 5765 ug/L9%
May 2026Turbidity, daily maximum140 NTU≤ 50 NTU—
June 2026Chlorine, total residual, daily maximum600 ug/L≤ 11 ug/L5355%
July 2026Chlorine, total residual, daily maximum600 ug/L≤ 11 ug/L5355%
August 2026Chlorine, total residual, daily maximum600 ug/L≤ 11 ug/L5355%

Limits in force (17)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximum≤ 30 deg Call year
Turbiditydaily maximum≤ 50 NTUall year
Color [PT-CO units]quarterly maximum≤ 15 col unit (pc)all year
Oxygen, dissolved [DO]instantaneous minimum≥ 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
Phosphorus, total [as P]daily maximum≤ 5765 ug/Lall year
Copper, total [as Cu]daily maximum≤ 7 ug/Lall year
Copper, total [as Cu]daily maximum≤ 522.02 ug/Lall year
Lead, total [as Pb]daily maximum≤ 2.1 ug/Lall year
Flow, in conduit or thru treatment plantdaily maximum≤ .1152 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

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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Your permit document is the final word. As JSON: /api/v1/permits/PR0022462 · MCP: https://passage-data.com/mcp