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CEMEX Construction Materials Atlantic, LLC

Cement, Hydraulic, Knoxville, Tennessee. NPDES permit TN0003352, in force until Oct 31, 2029. Last 12 months: over a limit 5 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form G monthly (17 values), outfall 002 form G monthly (6 values), outfall 003 form G monthly (6 values), outfall 02A form G monthly (5 values), outfall SW1 form B monthly (1 value), outfall SW2 form B monthly (1 value), and 6 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 0 of 104 reports late

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

Period endingParameterReportedLimitOver by
February 2026Nitrogen, ammonia total [as N], monthly average1.17 mg/L≤ 1.07 mg/L9%
April 2026Oxygen, dissolved [DO], minimum5.1 mg/L≥ 6 mg/L15%
May 2026Nitrogen, ammonia total [as N], monthly average.66 mg/L≤ .56 mg/L18%
August 2026Nitrogen, ammonia total [as N], monthly average.9 mg/L≤ .56 mg/L61%
September 2026Nitrogen, ammonia total [as N], monthly average.84 mg/L≤ .56 mg/L50%

Limits in force (60)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]minimum≥ 6 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, settleabledaily maximum≤ 1 mL/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.07 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .56 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 2.36 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 2.36 mg/LMay–Oct001
Floating solids, waste or visible foam-visualvaluereport only (N=0;Y=1)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .011 mg/Lall year001
Chlorine, total residualdaily maximum≤ .019 mg/Lall year001
E. colimonthly average≤ 126 #/100mLall year001
E. colidaily maximum≤ 410 #/100mLall year001
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendeddaily maximum≤ 50 mg/Lall year002
Floating solids, waste or visible foam-visualvaluereport only (N=0;Y=1)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
pHminimum≥ 6 SUall year003
pHmaximum≤ 9 SUall year003
Solids, total suspendeddaily maximum≤ 50 mg/Lall year003
Floating solids, waste or visible foam-visualvaluereport only (N=0;Y=1)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
pHminimum≥ 6 SUall year02A
pHmaximum≤ 9 SUall year02A
Solids, total suspendeddaily maximum≤ 40 mg/Lall year02A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year02A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year02A
pHminimum≥ 6 SUall yearSW1
pHmaximum≤ 9 SUall yearSW1
Solids, total suspendeddaily maximum≤ 50 mg/Lall yearSW1
Floating solids, waste or visible foam-visualvaluereport only (N=0;Y=1)all yearSW1
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearSW1
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSW1
pHminimum≥ 6 SUall yearSW2
pHmaximum≤ 9 SUall yearSW2
Solids, total suspendeddaily maximum≤ 50 mg/Lall yearSW2
Floating solids, waste or visible foam-visualvaluereport only (N=0;Y=1)all yearSW2
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearSW2
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSW2
pHminimum≥ 6 SUall yearSW3
pHmaximum≤ 9 SUall yearSW3
Solids, total suspendeddaily maximum≤ 50 mg/Lall yearSW3
Floating solids, waste or visible foam-visualvaluereport only (N=0;Y=1)all yearSW3
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearSW3
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSW3
pHminimum≥ 6 SUall yearSW4
pHmaximum≤ 9 SUall yearSW4
Solids, total suspendeddaily maximum≤ 50 mg/Lall yearSW4
Floating solids, waste or visible foam-visualvaluereport only (N=0;Y=1)all yearSW4
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearSW4
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearSW4

How strict are these limits?

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

Same industry: the 7 Stone, Clay, Glass and Concrete Products permits in Tennessee.

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Your permit document is the final word. As JSON: /api/v1/permits/TN0003352 · MCP: https://passage-data.com/mcp