LOS ALAMOS COUNTY-WHITE ROCK P, White Rock, NM: NPDES NM0020133 discharge permit, effluent exceedances, inspections, penalties

LOS ALAMOS COUNTY-WHITE ROCK P, White Rock, New Mexico: Individual permit NM0020133, held by LOS ALAMOS COUNTY (WHITE ROCK); Publicly owned treatment works; Administratively continued; issued December 21, 2016, term to January 31, 2022; discharges to CANADA DEL BUEY.

3 of the 29 pollutants listed for NPDES NM0020133 have no violation or effluent exceedance.

• BOD, 5-day, 20 deg. C: 8 limits, 39 violations of any kind, 27 effluent exceedances, latest February 29, 2024, largest 55% over the limit.
• Oxygen, dissolved [DO]: 0 limits, 26 violations of any kind, 26 effluent exceedances, latest July 31, 2025, largest 35% over the limit.
• Chlorine, total residual: 2 limits, 27 violations of any kind, 24 effluent exceedances, latest March 31, 2008, largest 800% over the limit.
• E. coli: 4 limits, 11 violations of any kind, 5 effluent exceedances, latest December 31, 2016, largest 121% over the limit.
• pH: 4 limits, 10 violations of any kind, 4 effluent exceedances, latest September 30, 2025.
• Solids, total suspended: 8 limits, 15 violations of any kind, 3 effluent exceedances, latest March 31, 2010, largest 349% over the limit.
• BOD, 5-day, percent removal: 2 limits, 2 violations of any kind, 2 effluent exceedances, latest February 28, 2022, largest 7% over the limit.
• Coliform, fecal general: 0 limits, 7 violations of any kind, 1 effluent exceedance, latest February 28, 2011, largest 361% over the limit.
• Coef Of Var Static Renewal 48Hr Acute D. pulex: 2 limits, 10 violations of any kind.
• Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex: 2 limits, 8 violations of any kind.
• NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex: 2 limits, 8 violations of any kind.
• Flow, in conduit or thru treatment plant: 4 limits, 6 violations of any kind.
• Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 1 violation of any kind.
• Pass/Fail Static Renewal 7Day Chronic Pimephales promelas: 2 limits, 1 violation of any kind.
• Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 1 violation of any kind.
• Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 1 violation of any kind.
• NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 1 violation of any kind.
• NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 1 violation of any kind.
• NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 1 violation of any kind.
• NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 1 violation of any kind.
• Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia: 2 limits, 1 violation of any kind.
• Coef Of Var Static Renewal 7Day Chronic Pimephales promelas: 2 limits, 1 violation of any kind.
• LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 1 violation of any kind.
• LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 1 violation of any kind.
• LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 1 violation of any kind.
• LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 1 violation of any kind.
• Whole effluent toxicity - retest #1: 4 limits.
• Whole effluent toxicity - retest #2: 4 limits.
• Solids, suspended percent removal: 2 limits.

• January 2, 2026: Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment (EP6).
• January 10, 2025: Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment (EP6).
• August 19, 2024: Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment (EP6).

New Mexico holds 22 Publicly owned treatment works coverages of this permit type in EPA’s file; 9 were issued before NM0020133.

Coverages issued nearest NM0020133

• 2012-08-30: ALBUQUERQUE BERNALILLO COUNTY WATER UTILITY AUTHORITY, Albuquerque: NM0022250
• 2016-05-31: RIO RANCHO, CITY OF WWTP #2, Rio Rancho: NM0027987, held by RIO RANCHO, CITY OF
• 2016-07-01: SANTA FE WWTP, Santa Fe: NM0022292, held by SANTA FE, CITY OF (AIRPORT RD
• 2016-09-30: CITY OF FARMINGTON, Farmington: NM0020583, held by FARMINGTON, CITY OF (WWTP)
• 2016-09-30: CASA BLANCA WWTP, Casa Blanca: NM0030678
• 2017-03-09: TOWN OF RED RIVER, Taos: NM0024899, held by RED RIVER AWWT, TOWN OF
• 2017-05-31: NORTHERN EDGE NAVAJO CASINO WWTP, Farmington: NN0030343, held by NAVAJO TRIBAL UTILITY AUTHORITY
• 2018-02-21: SHIPROCK WWTF, Shiprock: NN0020621, held by NAVAJO TRIBAL UTILITY AUTHORITY
• 2018-04-20: FORT SUMNER WWTP, Fort Sumner: NM0023477, held by FORT SUMNER, TOWN OF
• 2019-02-15: RANCHLAND UTILITY COMPANY, Santa Fe: NM0030368, held by RANCHLAND UTILITY CO WWTF

LOS ALAMOS COUNTY-WHITE ROCK P among its neighbors

78 discharge permits are in the Canada Ancha-Rio Grande subwatershed (HUC 130202010203); NM0020133 is one. Its county: 23, 1 major; NM0020133 is minor permit.

Other permits in the Canada Ancha-Rio Grande subwatershed (HUC 130202010203)

• 23X-0268 PINON PINE REMOVAL, Los Alamos: NMR1005JW
• 5100480, White Roak: NMR10056R, minor, term to 2027-02-16
• BANDELIER NATIONAL MONUMENT TSANKAWI AND FREY PARKING LOTS, Los Alamos: NMR1005KI, minor, term to 2027-02-16
• CHAMISA ELEMENTARY SCHOOL, White Rock: NMR10065M, minor, term to 2027-02-16
• CHAMISA ELEMENTARY SCHOOL, White Rock: NMR10065U, minor, term to 2027-02-16
• DIAMOND DRIVE WIDENING, Los Alamos: NMR1007WU, minor, term to 2027-02-16
• ELECTRICAL POWER CAPACITY UPGRADE (EPCU), Los Alamos: NMR1007AP, minor, term to 2027-02-16
• ELECTRICAL POWER CAPACITY UPGRADE (EPCU), Los Alamos: NMR1007AU, minor, term to 2027-02-16
• ION BEAM FACILITY DD&R PROJECT, Los Alamos: NMR1006MW, minor, term to 2027-02-16
• ION BEAM FACILITY RLW DISCONNECT, Los Alamos: NMR1006JG, minor, term to 2027-02-16