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San Juan Coal Company-La Pla

Bituminous Coal And Lignite - Surface, San Juan, New Mexico. NPDES permit NM0029505, in force until Dec 31, 2030. Last 12 months: no values over a limit, 73 required values missing, 3 of 350 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 89 days after each period: outfall 003 form A quarterly, outfall 004 form A quarterly, outfall 005 form A quarterly, outfall 006 form A quarterly, outfall 00B form A quarterly, outfall 00C form A quarterly, and 26 more forms
Last report on file
July 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 420 reports late

Limits in force (79)

ParameterStatisticLimitMonthsOutfall
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00B
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00C
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00C
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00D
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00D
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00E
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00E
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00F
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00F
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00G
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00G
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00H
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00H
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00I
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00I
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00J
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00J
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00K
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00K
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00M
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00M
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00N
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00N
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00O
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00O
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year00P
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year00P
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year018
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year018
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year019
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year019
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year020
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year020
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year021
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year021
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year022
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year022
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year023
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year023
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year026
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year026
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year027
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year027
pHminimum≥ 6.6 SUall year028
pHmaximum≤ 9 SUall year028
Aluminum, total [as Al]30-day average≤ .252 mg/Lall year028
Aluminum, total [as Al]daily maximum≤ .378 mg/Lall year028
Aluminum, total [as Al]30-day averagereport only (mg/L)all year028
Aluminum, total [as Al]daily maximumreport only (mg/L)all year028
Aluminum, total [as Al]30-day averagereport only (mg/L)all year028
Aluminum, total [as Al]daily maximumreport only (mg/L)all year028
Selenium, total [as Se]30-day average≤ .005 mg/Lall year028
Selenium, total [as Se]daily maximum≤ .005 mg/Lall year028
Rainfalltotalreport only (in)all year028
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year028
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year028
Hardness, Dissolved [as CaCO3]30-day averagereport only (mg/L)all year028
Hardness, Dissolved [as CaCO3]daily maximumreport only (mg/L)all year028
Mercury, total [as Hg]30-day average≤ .00077 mg/Lall year028
Mercury, total [as Hg]daily maximum≤ .00077 mg/Lall year028
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year029
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year029
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year030
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year030
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year031
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year031
Flow, in conduit or thru treatment plant30-day averagereport only (MGD)all year032
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year032

How strict are these limits?

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

Same industry: the 4 Coal Mining permits in New Mexico.

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

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On EPA ECHO: Facility report · DMR history

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