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Prasa Apeadero Filtration PLNT

Water Supply, Villalba, Puerto Rico. NPDES permit PR0024686, in force until Sep 30, 2030. Last 12 months: over a limit 5 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A monthly (10 values), form Q quarterly (3 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 1 of 17 reports late

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

Period ending	Parameter	Reported	Limit	Over by
October 2025	Phosphorus, total [as P], daily maximum	290 ug/L	≤ 160 ug/L	81%
November 2025	Phosphorus, total [as P], daily maximum	590 ug/L	≤ 160 ug/L	269%
December 2025	Copper, total [as Cu], daily maximum	262.61 ug/L	≤ 100 ug/L	163%
December 2025	Phosphorus, total [as P], daily maximum	250 ug/L	≤ 160 ug/L	56%
May 2026	Phosphorus, total [as P], daily maximum	2740 ug/L	≤ 160 ug/L	1613%

Limits in force (15)

Parameter	Statistic	Limit	Months
Temperature, water deg. centigrade	daily maximum	≤ 30 deg C	all year
Turbidity	daily maximum	≤ 50 NTU	all year
Color [PT-CO units]	daily maximum	≤ 15 col unit (pc)	all year
Oxygen, dissolved [DO]	instantaneous minimum	≥ 5 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, settleable	daily maximum	report only (mL/L)	all year
Phosphorus, total [as P]	daily maximum	≤ 160 ug/L	all year
Sulfate, total [as SO4]	daily maximum	≤ 250 mg/L	all year
Copper, total [as Cu]	daily maximum	≤ 9.3 ug/L	all year
Copper, total [as Cu]	daily maximum	≤ 100 ug/L	all year
Flow, in conduit or thru treatment plant	daily maximum	≤ .072 MGD	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Chlorine, total residual	daily maximum	≤ 11 ug/L	all year
Ammonia & ammonium- total	daily maximum	≤ .081 mg/L	all year

How strict are these limits?

Sulfate, total [as SO4], daily maximum 250 mg/L — stricter than 86% of 280 other minor industrial and other permits nationwide; 8% have the same limit
Ammonia & ammonium- total, daily maximum .081 mg/L — stricter than 66% of 21 other minor industrial and other permits in Puerto Rico; 24% have the same limit
Temperature, water deg. centigrade, daily maximum 30 deg C — stricter than 42% of 97 other minor industrial and other permits in Puerto Rico; 58% have the same limit

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/PR0024686 · MCP: https://passage-data.com/mcp