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Town of Sparta

Sewage treatment plant, Sparta, North Carolina. NPDES permit NC0026913 expired Mar 31, 2026; its limits still apply. Last 12 months: over a limit 14 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (15 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 2 required values missing, 0 of 12 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
October 2025Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean499.4679 #/100mL≤ 400 #/100mL25%
October 2025Nitrogen, ammonia total [as N], 30-day average16 mg/L≤ 9.3 mg/L72%
November 2025Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean564.2185 #/100mL≤ 400 #/100mL41%
January 2026Coliform, fecal MF, MFC broth, 44.5 C, monthly geometric mean259.1654 #/100mL≤ 200 #/100mL30%
January 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean2419.7333 #/100mL≤ 400 #/100mL505%
February 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean950.5486 #/100mL≤ 400 #/100mL138%
May 2026Nitrogen, ammonia total [as N], 30-day average9.4583 mg/L≤ 9.3 mg/L2%
June 2026Nitrogen, ammonia total [as N], 30-day average12.5428 mg/L≤ 9.3 mg/L35%
June 2026Solids, total suspended, 30-day average37.3928 mg/L≤ 30 mg/L25%
July 2026Coliform, fecal MF, MFC broth, 44.5 C, weekly geometric mean2419.6 #/100mL≤ 400 #/100mL505%
July 2026Solids, total suspended, 30-day average34.0769 mg/L≤ 30 mg/L14%
July 2026Solids, total suspended, 7-day average62.1 mg/L≤ 45 mg/L38%
August 2026Solids, total suspended, 30-day average45.275 mg/L≤ 30 mg/L51%
August 2026Solids, total suspended, 7-day average58.7666 mg/L≤ 45 mg/L31%

Limits in force (16)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]7-day average≤ 27.9 mg/LApr–Oct
Nitrogen, ammonia total [as N]30-day average≤ 9.3 mg/LApr–Oct
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Nov, Dec
Coliform, fecal MF, MFC broth, 44.5 Cweekly geometric mean≤ 400 #/100mLall year
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 200 #/100mLall year
Flow, in conduit or thru treatment plant30-day average≤ .6 MGDall year
Chlorine, total residualdaily maximum≤ 28 ug/Lall year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0026913 · MCP: https://passage-data.com/mcp