Clean Water Act discharge permit · NPDES CO0047776
PIONEER CBM LORENCITO, Las Animas County, CO: NPDES CO0047776 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
PIONEER CBM LORENCITO, held by Pioneer Natural Resources USA Inc, holds NPDES permit CO0047776, which discharges to Lorencito Canyon. EPA’s file records it issued December 30, 2009 and expiring January 31, 2015. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PIONEER CBM LORENCITO |
|---|---|
| Permittee as filed | Pioneer Natural Resources USA Inc |
| NPDES ID | CO0047776 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 30, 2009 |
| Expiration date | January 31, 2015 |
| Address | Las Animas County, CO 81082 |
| Receiving water | Lorencito Canyon |
| Subwatershed | Alamosa Canyon (HUC 110200100201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 49Pollutants on file
- 20Under a numeric limit
- 45With a violation of any kind
- 11With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Iron, total recoverable | 56 | 29 | 19 | December 31, 2024 | 351% over the limit |
| Sodium Absorption Ratio | 51 | 74 | 13 | December 31, 2015 | 26% over the limit |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 58 | 8 | September 30, 2019 | 69% over the limit |
| Conductivity | 78 | 70 | 6 | November 30, 2021 | 13% over the limit |
| Static Renewal 7 Day Chronic Pimephales promelas | 0 | 43 | 3 | September 30, 2019 | 19% over the limit |
| pH | 38 | 11 | 3 | March 31, 2013 | |
| Chloride [as Cl] | 42 | 8 | 2 | December 31, 2015 | 7% over the limit |
| Boron, total [as B] | 37 | 2 | 2 | June 30, 2015 | 47% over the limit |
| Number of Events | 0 | 2 | 2 | April 30, 2023 | 133% over the limit |
| Duration of discharge | 0 | 2 | 2 | April 30, 2023 | 133% over the limit |
| Solids, total suspended | 38 | 9 | 1 | June 30, 2011 | 20% over the limit |
| Flow, in conduit or thru treatment plant | 54 | 68 | 0 | ||
| Bicarbonate ion- [as HCO3] | 54 | 64 | 0 | ||
| Magnesium, total recoverable | 0 | 64 | 0 | ||
| Sodium, total recoverable | 0 | 64 | 0 | ||
| Calcium, total recoverable | 0 | 62 | 0 | ||
| Solids, total dissolved | 37 | 8 | 0 | ||
| Sulfide-hydrogen sulfide [undissociated] | 0 | 8 | 0 | ||
| Boron, total | 0 | 6 | 0 | ||
| Oil and grease | 19 | 4 | 0 | ||
| Oil and grease visual | 19 | 4 | 0 | ||
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 28 | 3 | 0 | ||
| %Effect Static Renewal 7Day Chronic Pimephales promelas | 28 | 3 | 0 | ||
| Zinc, potentially dissolved | 0 | 3 | 0 | ||
| Copper, potentially dissolved | 0 | 3 | 0 | ||
| Cadmium, potentially dissolvd | 0 | 3 | 0 | ||
| Lead, potentially dissolvd | 0 | 3 | 0 | ||
| Manganese, potentially dissolvd | 0 | 3 | 0 | ||
| Nickel, potentially dissolvd | 0 | 3 | 0 | ||
| Selenium, potentially dissolvd | 0 | 3 | 0 | ||
| Chromium, trivalent total recoverable | 0 | 3 | 0 | ||
| Mercury, total [low level] | 0 | 3 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 14 | 2 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 14 | 2 | 0 | ||
| Arsenic, total recoverable | 0 | 2 | 0 | ||
| Chromium, total recoverable | 0 | 2 | 0 | ||
| Molybdenum, total recoverable | 0 | 2 | 0 | ||
| Radium 226 + radium 228, total | 0 | 2 | 0 | ||
| Selenium, total recoverable | 0 | 1 | 0 | ||
| Nickel, total recoverable | 0 | 1 | 0 | ||
| Cadmium, total recoverable | 0 | 1 | 0 | ||
| Lead, total recoverable | 0 | 1 | 0 | ||
| Copper, total recoverable | 0 | 1 | 0 | ||
| LC50 Static Renewal 48Hr Acute Daphnia magna | 0 | 1 | 0 | ||
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| Calcium, total [as Ca] | 54 | 0 | 0 | ||
| Magnesium, total [as Mg] | 54 | 0 | 0 | ||
| Sodium, total [as Na] | 54 | 0 | 0 | ||
| Bicarbonate as [CaCO3] | 24 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 1, 2019 | Effluent Violations - Failed Toxicity Test | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, CO0047776.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID CO0047776 there.
Nearby on the register
- Discharge permits in Las Animas County
- Every permit record in Las Animas County, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.