Highridge Water Auth — NPDES permit PA0216895: limits, due date and EPA's record

Water Supply, Fairfield Twp, Pennsylvania. NPDES permit PA0216895, in force until Apr 30, 2030. Last 12 months: no values over a limit, 34 required values missing. Source: EPA ECHO, Oct 22, 2026.

Limits in force (46)

Parameter	Statistic	Limit	Months	Outfall
BOD, 5-day, 20 deg. C	semi-annual average	≤ 10 mg/L	all year	001
BOD, 5-day, 20 deg. C	instantaneous maximum	≤ 20 mg/L	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
Solids, total suspended	semi-annual average	≤ 10 mg/L	all year	001
Solids, total suspended	instantaneous maximum	≤ 20 mg/L	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Chlorine, total residual	semi-annual average	≤ .5 mg/L	all year	001
Chlorine, total residual	instantaneous maximum	≤ 1.6 mg/L	all year	001
Coliform, fecal general	semi-annual average	≤ 200 #/100mL	Jul–Dec	001
Coliform, fecal general	semi-annual average	≤ 200 #/100mL	Jan–Jun	001
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	Jul–Dec	001
Coliform, fecal general	instantaneous maximum	report only (#/100mL)	Jan–Jun	001
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous maximum	≤ 9 SU	all year	002
Solids, total suspended	monthly average	≤ 30 mg/L	all year	002
Solids, total suspended	daily maximum	≤ 60 mg/L	all year	002
Cadmium, total [as Cd]	monthly average	report only (ug/L)	all year	002
Cadmium, total [as Cd]	daily maximum	report only (ug/L)	all year	002
Iron, total [as Fe]	monthly average	≤ 1.5 mg/L	all year	002
Iron, total [as Fe]	daily maximum	≤ 3 mg/L	all year	002
Manganese, total [as Mn]	monthly average	≤ 1 mg/L	all year	002
Manganese, total [as Mn]	daily maximum	≤ 2 mg/L	all year	002
Aluminum, total [as Al]	monthly average	≤ .75 mg/L	all year	002
Aluminum, total [as Al]	daily maximum	≤ .75 mg/L	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
Chlorine, total residual	monthly average	≤ .5 mg/L	all year	002
Chlorine, total residual	daily maximum	≤ 1 mg/L	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous maximum	≤ 9 SU	all year	003
Solids, total suspended	monthly average	≤ 30 mg/L	all year	003
Solids, total suspended	daily maximum	≤ 60 mg/L	all year	003
Cadmium, total [as Cd]	monthly average	report only (ug/L)	all year	003
Cadmium, total [as Cd]	daily maximum	report only (ug/L)	all year	003
Iron, total [as Fe]	monthly average	≤ 1.5 mg/L	all year	003
Iron, total [as Fe]	daily maximum	≤ 3 mg/L	all year	003
Manganese, total [as Mn]	monthly average	≤ 1 mg/L	all year	003
Manganese, total [as Mn]	daily maximum	≤ 2 mg/L	all year	003
Aluminum, total [as Al]	monthly average	≤ .75 mg/L	all year	003
Aluminum, total [as Al]	daily maximum	≤ .75 mg/L	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Chlorine, total residual	monthly average	≤ .5 mg/L	all year	003
Chlorine, total residual	daily maximum	≤ 1 mg/L	all year	003
Duration of discharge	daily maximum	report only (hr)	all year	003

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/PA0216895 · MCP: https://passage-data.com/mcp