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Liberty Utilities (Litchfield Park Water & Sewer) Corp.

Sewerage Systems, major discharger, Goodyear, Arizona. NPDES permit AZ0025712, in force until Dec 28, 2028. Last 12 months: over a limit 5 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (16 values), outfall 001 form Q quarterly (2 values), outfall INF form A monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 28 reports late

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

Period endingParameterReportedLimitOver by
February 2026E. coli, colony forming units [CFU], daily maximum1400 CFU/100mL≤ 575 CFU/100mL143%
April 2026E. coli, colony forming units [CFU], daily maximum2419.6 CFU/100mL≤ 575 CFU/100mL321%
July 2026E. coli, colony forming units [CFU], daily maximum2419.6 CFU/100mL≤ 575 CFU/100mL321%
August 2026E. coli, colony forming units [CFU], daily maximum2419.6 CFU/100mL≤ 575 CFU/100mL321%
August 2026E. coli, colony forming units [CFU], monthly average2419.6 CFU/100mL≤ 126 CFU/100mL1820%

Limits in force (22)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 850 kg/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 1300 kg/dall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 850 kg/dall year001
Solids, total suspendedweekly average≤ 1300 kg/dall year001
Oil & Greasemonthly averagereport only (mg/L)all year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
E. coli, colony forming units [CFU]monthly average≤ 126 CFU/100mLall year001
E. coli, colony forming units [CFU]daily maximum≤ 575 CFU/100mLall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedweekly averagereport only (mg/L)all yearINF

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AZ0025712 · MCP: https://passage-data.com/mcp