HARRIS COUNTY MUD 200 WWTP, Houston, TX: NPDES TX0085413 discharge permit, effluent exceedances, inspections, penalties

HARRIS COUNTY MUD 200 WWTP, Houston, Texas: Individual permit TX0085413, held by HARRIS COUNTY MUD 200; Publicly owned treatment works; Administratively continued; issued February 10, 2023, term to February 10, 2026; discharges to Greens Bayou Above Tidal.

2 of the 25 pollutants listed for NPDES TX0085413 have no violation or effluent exceedance.

• E. coli: 2 limits, 6 violations of any kind, 4 effluent exceedances, latest May 31, 2024, largest 560% over the limit.
• BOD, carbonaceous [5 day, 20 C]: 0 limits, 4 violations of any kind, 4 effluent exceedances, latest July 31, 2006, largest 30% over the limit.
• BOD, 5-day, 20 deg. C: 3 limits, 6 violations of any kind, 3 effluent exceedances, latest January 31, 2019, largest 10% over the limit.
• Flow, in conduit or thru treatment plant: 4 limits, 8 violations of any kind, 1 effluent exceedance, latest June 30, 2021, largest 0% over the limit.
• Solids, total suspended: 3 limits, 7 violations of any kind, 1 effluent exceedance, latest February 28, 2007, largest 14% over the limit.
• Chlorine, total residual: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest June 30, 2003, largest 3,536% over the limit.
• Nitrogen, ammonia total [as N]: 3 limits, 9 violations of any kind.
• Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 6 violations of any kind.
• Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 6 violations of any kind.
• NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 6 violations of any kind.
• NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 6 violations of any kind.
• NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 6 violations of any kind.
• NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 6 violations of any kind.
• pH: 2 limits, 4 violations of any kind.
• Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
• Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 2 limits, 4 violations of any kind.
• LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
• LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 4 violations of any kind.
• LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
• LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 4 violations of any kind.
• Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind.
• LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 1 violation of any kind.
• LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 1 violation of any kind.
• Whole effluent toxicity - retest #1: 3 limits.
• Whole effluent toxicity - retest #2: 3 limits.

• March 23, 2026: Permit Violations - Violation Specified in Comment (ST6).
• March 23, 2026: Evaluation (S).
• March 19, 2024: Permit Violations - Violation Specified in Comment (ST6).

Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 1,624 were issued before TX0085413.

Coverages issued nearest TX0085413

• 2022-11-21: NORTHSIDE WASTEWATER TREATMENT FACILITY, Henderson: TX0141585, held by HENDERSON, CITY OF
• 2022-11-22: CRESSON MUD NO 1 WWTF, City Of Cresson: TX0142565, held by CRESSON MUD 1 OF HOOD COUNTY
• 2022-12-22: CLEARWATER CREEK WWTP, Marion: TX0140546, held by GREEN VALLEY SUD
• 2023-01-30: SOUTHSIDE WTP, Henderson: TX0141763, held by HENDERSON, CITY OF
• 2023-02-01: NORTHBELT WWTP, Humble: TX0103721, held by HOUSTON, CITY OF
• 2023-02-20: CITY OF COLORADO CITY WWTP, Colorado City: TX0142778, held by COLORADO CITY, CITY OF
• 2023-02-27: MONTGOMERY COUNTY MUD NO 199 WWTP, Magnolia: TX0142212, held by MONTGOMERY COUNTY MUD NO 199
• 2023-03-17: CITY OF BERTRAM WWTP, Bertram: TX0142085, held by BERTRAM, CITY OF
• 2023-03-21: EAST MONTGOMERY COUNTY 13 WWTP, Splendora: TX0143537, held by EAST MONTGOMERY COUNTY MUD 13
• 2023-03-29: FBCMUD 250 WWTP, Kendleton: TX0142701, held by ASTRO ROSENBERG LP

HARRIS COUNTY MUD 200 WWTP among its neighbors

100 discharge permits are in the Headwaters Greens Bayou subwatershed (HUC 120401040601); TX0085413 is one. Its county: 4,455, 195 major; TX0085413 is major permit.

Other permits in the Headwaters Greens Bayou subwatershed (HUC 120401040601)

• 11 BELOW BREWING CO, Houston: TXRNECD26, minor, term to 2026-08-13
• A-J AUTO PARTS, Houston: TXR05EW64, minor, term to 2026-08-13
• AIRTEX LAND, Houston: TXR1501WD, minor, term to 2028-03-04
• AKER SOLUTIONS, City Of Houston: TX0137529, minor, term to 2022-09-01
• AMAZONCOM SERVICES DHO8, Houston: TXR05EW63, minor, term to 2021-08-13
• ARISTOI CLASSICAL ACADEMY, Houston: TXR1568YC, minor, term to 2028-03-04
• AUTO-MOBILE PARTS MANUFACTURING PLANT, Houston: TXRNECN63, minor, term to 2026-08-13
• BAMMEL OAKS, Houston: TXR1514TR, minor, term to 2028-03-04
• CEMEX CUTTEN PLANT, Houston: TXG110921, minor, term to 2011-11-07
• CEMEX CUTTEN READY MIX PLANT, Houston: TXG111783, minor, term to 2021-11-07