Passage Data · Check a report · Use it from your AI

Epcor Water Arizona Inc.

Sewerage Systems, Scottsdale, Arizona. NPDES permit AZ0024139, in force until Dec 22, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (14 values), form Q quarterly (4 values), form Y yearly
Renewal application due
Jun 25, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 17 reports late

Limits in force (27)

ParameterStatisticLimitMonths
pHminimum≥ 6.5 SUall year
pHminimumreport only (SU)all year
pHmaximum≤ 9 SUall year
pHmaximumreport only (SU)all year
Arsenic, total recoverablemonthly average≤ 10 ug/Lall year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Arsenic, total recoverabledaily maximum≤ 20 ug/Lall year
Chromium, hexavalent dissolved [as Cr]monthly average≤ 21 ug/Lall year
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 42 ug/Lall year
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year
Chloroformmonthly averagereport only (ug/L)all year
Chloroformdaily maximum≤ 6 ug/Lall year
Chloroformdaily maximumreport only (ug/L)all year
Tetrachloroethylenemonthly averagereport only (ug/L)all year
Tetrachloroethylenedaily maximum≤ 5 ug/Lall year
Tetrachloroethylenedaily maximumreport only (ug/L)all year
1,1-Dichloroethylenemonthly averagereport only (ug/L)all year
1,1-Dichloroethylenedaily maximum≤ 6 ug/Lall year
1,1-Dichloroethylenedaily maximumreport only (ug/L)all year
1,1,1-Trichloroethanemonthly averagereport only (ug/L)all year
1,1,1-Trichloroethanedaily maximum≤ 200 ug/Lall year
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year
Trichloroethylenemonthly averagereport only (ug/L)all year
Trichloroethylenedaily maximum≤ 5 ug/Lall year
Trichloroethylenedaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year

How strict are these limits?

Cited limits by parameter: Arizona's rules and the federal ones.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AZ0024139 · MCP: https://passage-data.com/mcp