Front Range Energy LLC

NPDES permit CO0047635 · Minor NON-POTW · administratively continued, expires 2020-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2020-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 38 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among CO permits in EPA's filings — check your permit).

Limits in force (74)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMX WK AV <= 30 deg C all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Conductivity85P <= 3.62 dS/m all year
001ConductivityDAILY MX report only all year
001ConductivityDAILY MX report only all year
001BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Bicarbonate ion- [as HCO3]30DA AVG report only all year
001Bicarbonate ion- [as HCO3]DAILY MX report only all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedMX 7D AV <= 45 mg/L all year
001Nitrogen, nitrite total [as N]DAILY MX <= 7.9 mg/L all year
001Nitrogen, inorganic totalANNL MEDN report only all year
001Nitrogen, inorganic total95th % report only all year
001Phosphorus, total [as P]ANNL MEDN report only all year
001Phosphorus, total [as P]95th % report only all year
001Calcium, total recoverable30DA AVG report only all year
001Calcium, total recoverableDAILY MX report only all year
001Magnesium, total recoverable30DA AVG report only all year
001Magnesium, total recoverableDAILY MX report only all year
001Sodium, total recoverable30DA AVG report only all year
001Sodium, total recoverableDAILY MX report only all year
001Sodium adsorption ratio30DA AVG report only all year
001Sodium adsorption ratioDAILY MX report only all year
001Sodium adsorption ratio30DA AVG report only all year
001Sodium adsorption ratioDAILY MX report only all year
001Arsenic, total recoverable30DA AVG <= 50.8 ug/L all year
001Iron, total recoverable30DA AVG <= 800 ug/L all year
001Aluminum, total recoverable30DA AVG <= 685 ug/L all year
001Aluminum, total recoverableDAILY MX <= 57012 ug/L all year
001Aluminum, total recoverableROLL AVG report only all year
001Chromium, hexavalent dissolved [as Cr]30DA AVG report only all year
001Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
001Copper, potentially dissolved30DA AVG <= 29 ug/L all year
001Copper, potentially dissolvedDAILY MX report only all year
001Cadmium, potentially dissolvd30DA AVG <= 3 ug/L all year
001Cadmium, potentially dissolvdDAILY MX report only all year
001Selenium, potentially dissolvd30DA AVG report only all year
001Selenium, potentially dissolvdDAILY MX report only all year
001Selenium, potentially dissolvdROLL AVG report only all year
001Oil and greaseINST MAX <= 10 mg/L all year
001Flow, in conduit or thru treatment plant30DA AVG <= .482 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residual30DA AVG <= .074 mg/L all year
001Chlorine, total residualINST MAX <= .5 mg/L all year
001E. coli30DA GM report only all year
001E. coliMX 7D GM report only all year
001Sodium Absorption RatioDAILY MX report only all year
001Mercury, total [as Hg]30DA AVG <= .01 ug/L all year
001Boron, total30DA AVG <= .97 mg/L all year
001Boron, totalDAILY MX report only all year
001Oil and grease visualINST MAX report only all year
001LC50 Static Renewal 48Hr Acute Ceriodaphnia dubiaMN VALUE >= 100 % all year
001LC50 Static Renewal 96Hr Acute Pimephales promelasMN VALUE >= 100 % all year
AIIConductivity30DA AVG <= 1.5 dS/m (alert) all year
AIIConductivityDAILY MX report only (alert) all year
AIIBicarbonate ion- [as HCO3]30DA AVG report only (alert) all year
AIIBicarbonate ion- [as HCO3]DAILY MX report only (alert) all year
AIICalcium, total recoverable30DA AVG report only (alert) all year
AIICalcium, total recoverableDAILY MX report only (alert) all year
AIIMagnesium, total recoverable30DA AVG report only (alert) all year
AIIMagnesium, total recoverableDAILY MX report only (alert) all year
AIISodium, total recoverable30DA AVG report only (alert) all year
AIISodium, total recoverableDAILY MX report only (alert) all year
AIISodium Absorption Ratio30DA AVG <= 9 Ratio (alert) all year
AIISodium Absorption RatioDAILY MX report only (alert) all year
UST1Temperature, water deg. centigradeMX WK AV report only all year
UST1Temperature, water deg. centigradeDAILY MX report only all year
WBD1Solids, total suspended30DA AVG <= 30 mg/L all year
WBD1Solids, total suspendedDAILY MX <= 100 mg/L all year
WBD1Oil and grease30DA AVG <= 15 mg/L all year
WBD1Oil and greaseDAILY MX <= 20 mg/L all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states