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Alcara Meters LLC

Transformers, Except Electronic, Somersworth, New Hampshire. NPDES permit NH0023558 expired Nov 30, 2019; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 005 form A monthly (8 values), outfall 005 form Q quarterly (3 values), outfall 015 form A monthly (8 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 40 reports late

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year005
Temperature, water deg. fahrenheitdaily maximum≤ 90 deg Fall year005
pHminimum≥ 6.5 SUall year005
pHmaximum≤ 8 SUall year005
pHminimumreport only (SU)all year005
pHmaximumreport only (SU)all year005
Chromium, total [as Cr]daily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Iron, total [as Fe]daily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Nickel, total [as Ni]daily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Zinc, total [as Zn]daily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Toluenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Benzenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Acenaphthylenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Acenaphthenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Anthracenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Benzo[b]fluoranthenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Benzo[k]fluoranthenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Benzo[a]pyrenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Chrysenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Ethylbenzenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Fluoranthenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Fluorenedaily maximumreport only (mg/kg)Mar, Apr, Jul, Oct005
Indeno[1,2,3-cd]pyrenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Phenanthrenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Pyrenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Benzo[ghi]perylenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Benzo[a]anthracenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Dibenz[a,h]anthracenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Naphthalenedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximum≤ .44 MGDall year005
Chlorine, total residualdaily maximum≤ 1 mg/Lall year005
Phosphorus, Total As Pdaily maximumreport only (mg/L)all year005
Nitrogen, Totaldaily maximumreport only (mg/L)all year005
Xylene [mix of m+o+p]daily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Acetonedaily maximumreport only (ug/L)Mar, Apr, Jul, Oct005
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year015
Temperature, water deg. fahrenheitdaily maximum≤ 83 deg Fall year015
pHminimum≥ 6.5 SUall year015
pHmaximum≤ 8 SUall year015
pHminimumreport only (SU)all year015
pHmaximumreport only (SU)all year015
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year015
Flow, in conduit or thru treatment plantdaily minimum≥ .06 MGDall year015

How strict are these limits?

Cited limits by parameter: New Hampshire'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/NH0023558 · MCP: https://passage-data.com/mcp