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Lcy Elastomers LP

Synthetic Rubber, major discharger, Baytown, Texas. NPDES permit TX0128015, in force until Aug 6, 2029. Last 12 months: over a limit 8 times (last March 2026), 1 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 002 form A monthly (29 values), outfall TX2 form Q quarterly, outfall TXB form S twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 0 of 18 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingOutfallParameterReportedLimitOver by
November 2025002Zinc, total [as Zn], daily average.28 mg/L≤ .25 mg/L12%
November 2025002Zinc, total [as Zn], daily maximum.85 mg/L≤ .53 mg/L60%
November 2025002Zinc, total [as Zn], daily maximum1.63 lb/d≤ 1.2 lb/d36%
January 2026002Zinc, total [as Zn], daily maximum.622 mg/L≤ .53 mg/L17%
February 2026002Zinc, total [as Zn], daily average.338 mg/L≤ .25 mg/L35%
February 2026002Zinc, total [as Zn], daily maximum.639 mg/L≤ .53 mg/L21%
March 2026TX2Whole Effluent Toxicity [WET] - C. dubia, 7-day minimum< 81 %≥ 81 %—
March 2026TX2Whole Effluent Toxicity [WET] - C. dubia, monthly average minimum< 81 %≥ 81 %—

Limits in force (49)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimum≥ 4 mg/Lall year002
Oxygen demand, chem. [high level] [COD]daily average≤ 975 lb/dall year002
Oxygen demand, chem. [high level] [COD]daily maximum≤ 1483 lb/dall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendeddaily average≤ 92 lb/dall year002
Solids, total suspendeddaily maximum≤ 172 lb/dall year002
Oil & Greasedaily average≤ 45 lb/dall year002
Oil & Greasedaily maximum≤ 67 lb/dall year002
Nitrogen, ammonia total [as N]daily average≤ 3 mg/Lall year002
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/Lall year002
Copper, total [as Cu]daily average≤ .026 mg/Lall year002
Copper, total [as Cu]daily maximum≤ .055 mg/Lall year002
Copper, total [as Cu]daily average≤ .059 lb/dall year002
Copper, total [as Cu]daily maximum≤ .126 lb/dall year002
Zinc, total [as Zn]daily average≤ .25 mg/Lall year002
Zinc, total [as Zn]daily maximum≤ .53 mg/Lall year002
Zinc, total [as Zn]daily average≤ .57 lb/dall year002
Zinc, total [as Zn]daily maximum≤ 1.2 lb/dall year002
Aluminum, total [as Al]daily average≤ .83 mg/Lall year002
Aluminum, total [as Al]daily maximum≤ 1.77 mg/Lall year002
Aluminum, total [as Al]daily average≤ 1.9 lb/dall year002
Aluminum, total [as Al]daily maximum≤ 4 lb/dall year002
Flow, in conduit or thru treatment plantdaily average≤ .275 MGDall year002
Flow, in conduit or thru treatment plantdaily maximum≤ .33 MGDall year002
BOD, carbonaceous [5 day, 20 C]daily average≤ 10 mg/Lall year002
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 25 mg/Lall year002
BOD, carbonaceous [5 day, 20 C]daily average≤ 18 lb/dall year002
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 45 lb/dall year002
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 81 %all yearTX2
Whole Effluent Toxicity [WET] - C. dubiamonthly average minimum≥ 81 %all yearTX2
IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all yearTX2
IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (pass=0;fail=1)all yearTX2
IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (pass=0;fail=1)all yearTX2
IC25 Low Flow Pass/Fail Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX2
IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all yearTX2
IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (pass=0;fail=1)all yearTX2
IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (pass=0;fail=1)all yearTX2
IC25 Low Flow Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all yearTX2
IC25 Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX2
IC25 Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX2
IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX2
IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all yearTX2
IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX2
IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly average minimumreport only (%)all yearTX2
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX2
IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasmonthly average minimumreport only (%)all yearTX2
LC50 Pass/Fail Static 24Hr Acute D. Pulexsingle samplereport only (pass=0;fail=1)all yearTXB
LC50 Pass/Fail Static 24Hr Acute Pimephales promelassingle samplereport only (pass=0;fail=1)all yearTXB

How strict are these limits?

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

Same industry: the 165 Chemicals and Allied Products permits in Texas.

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Your permit document is the final word. As JSON: /api/v1/permits/TX0128015 · MCP: https://passage-data.com/mcp