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

Navajo Dam DWC and MSW, Inc.

Water Supply, Navajo Dam, New Mexico. NPDES permit NM0030953 expired Oct 31, 2019; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 61 days after each period: form A quarterly (20 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (20)

ParameterStatisticLimitMonths
Specific conductancemaximum≤ 400 uS/cmall year
Specific conductancemaximum≤ 400 uS/cmall year
pHminimum≥ 6.6 SUall year
pHminimum≥ 6.6 SUall year
pHmaximum≤ 8.8 SUall year
pHmaximum≤ 8.8 SUall year
Solids, total suspended30-day average≤ 20 mg/Lall year
Solids, total suspended30-day average≤ 20 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Aluminum, total recoverabledaily maximumreport only (ug/L)all year
Aluminum, total recoverabledaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualinstantaneous maximum≤ 11 ug/Lall year
Chlorine, total residualinstantaneous maximum≤ 11 ug/Lall year

How strict are these limits?

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

Same industry: the 6 Water Supply permits in New Mexico.

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/NM0030953 · MCP: https://passage-data.com/mcp