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Summer Bay Development, LLC

Used Merchandise Stores, Branson, Missouri. NPDES permit MO0140171, in force until Aug 31, 2029. Last 12 months: over a limit 71 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (13 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
35 values over a limit, 39 required values missing, 3 of 12 reports late

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

All 71 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, monthly average15.2≤ 10 mg/L52%
October 2025BOD, 5-day, 20 deg. C, weekly average15.2≤ 15 mg/L1%
October 2025Nitrogen, ammonia total [as N], daily maximum49.7≤ 7.5 mg/L563%
October 2025Nitrogen, ammonia total [as N], monthly average49.7≤ 2.9 mg/L1614%
October 2025Solids, total suspended, monthly average12.7≤ 10 mg/L27%
October 2025Solids, total suspended, weekly average15.6≤ 15 mg/L4%
November 2025BOD, 5-day, 20 deg. C, monthly average13.3≤ 10 mg/L33%
November 2025Nitrogen, ammonia total [as N], daily maximum84.2≤ 7.5 mg/L1023%
November 2025Nitrogen, ammonia total [as N], monthly average84.2≤ 2.9 mg/L2803%
November 2025Solids, total suspended, monthly average20.7≤ 10 mg/L107%
November 2025Solids, total suspended, weekly average34≤ 15 mg/L127%
December 2025BOD, 5-day, 20 deg. C, monthly average11.2≤ 10 mg/L12%
December 2025Nitrogen, ammonia total [as N], daily maximum56≤ 7.5 mg/L647%
December 2025Nitrogen, ammonia total [as N], monthly average56≤ 2.9 mg/L1831%
December 2025Solids, total suspended, monthly average29.5≤ 10 mg/L195%
December 2025Solids, total suspended, weekly average29.5≤ 15 mg/L97%
January 2026Nitrogen, ammonia total [as N], daily maximum63.4≤ 7.5 mg/L745%
January 2026Nitrogen, ammonia total [as N], monthly average63.4≤ 2.9 mg/L2086%
January 2026Solids, total suspended, monthly average38≤ 10 mg/L280%
January 2026Solids, total suspended, weekly average38≤ 15 mg/L153%
February 2026BOD, 5-day, 20 deg. C, monthly average22.4≤ 10 mg/L124%
February 2026BOD, 5-day, 20 deg. C, weekly average22.4≤ 15 mg/L49%
February 2026Nitrogen, ammonia total [as N], daily maximum19.4≤ 7.5 mg/L159%
February 2026Nitrogen, ammonia total [as N], monthly average19.4≤ 2.9 mg/L569%
March 2026BOD, 5-day, 20 deg. C, monthly average16.9≤ 10 mg/L69%
March 2026BOD, 5-day, 20 deg. C, weekly average16.9≤ 15 mg/L13%
March 2026Nitrogen, ammonia total [as N], daily maximum37.2≤ 7.5 mg/L396%
March 2026Nitrogen, ammonia total [as N], monthly average37.2≤ 2.9 mg/L1183%
March 2026Solids, total suspended, monthly average73.5≤ 10 mg/L635%
March 2026Solids, total suspended, weekly average73.5≤ 15 mg/L390%
April 2026BOD, 5-day, 20 deg. C, monthly average17.4≤ 10 mg/L74%
April 2026BOD, 5-day, 20 deg. C, weekly average17.4≤ 15 mg/L16%
April 2026E. coli, daily maximum> 1011.2≤ 630 #/100mL—
April 2026E. coli, monthly average> 1011.2≤ 126 #/100mL—
April 2026Nitrogen, ammonia total [as N], daily maximum33.6≤ 3.6 mg/L833%
April 2026Nitrogen, ammonia total [as N], monthly average33.6≤ 1.4 mg/L2300%
April 2026Solids, total suspended, monthly average31≤ 10 mg/L210%
April 2026Solids, total suspended, weekly average31≤ 15 mg/L107%
May 2026BOD, 5-day, 20 deg. C, monthly average14.1≤ 10 mg/L41%
May 2026E. coli, daily maximum1011.2≤ 630 #/100mL61%
May 2026E. coli, monthly average1011.2≤ 126 #/100mL703%
May 2026Nitrogen, ammonia total [as N], daily maximum34.4≤ 3.6 mg/L856%
May 2026Nitrogen, ammonia total [as N], monthly average34.4≤ 1.4 mg/L2357%
May 2026Phosphorus, total [as P], monthly average.87≤ .5 mg/L74%
May 2026Solids, total suspended, monthly average28≤ 10 mg/L180%
May 2026Solids, total suspended, weekly average28≤ 15 mg/L87%
June 2026BOD, 5-day, 20 deg. C, monthly average19.5≤ 10 mg/L95%
June 2026BOD, 5-day, 20 deg. C, weekly average19.5≤ 15 mg/L30%
June 2026E. coli, daily maximum1011.2≤ 630 #/100mL61%
June 2026E. coli, monthly average1011.2≤ 126 #/100mL703%
June 2026Nitrogen, ammonia total [as N], daily maximum34.4≤ 3.6 mg/L856%
June 2026Nitrogen, ammonia total [as N], monthly average34.4≤ 1.4 mg/L2357%
June 2026Solids, total suspended, monthly average18.3≤ 10 mg/L83%
June 2026Solids, total suspended, weekly average18.3≤ 15 mg/L22%
July 2026BOD, 5-day, 20 deg. C, monthly average21.6≤ 10 mg/L116%
July 2026BOD, 5-day, 20 deg. C, weekly average21.6≤ 15 mg/L44%
July 2026E. coli, daily maximum1011.2≤ 630 #/100mL61%
July 2026E. coli, monthly average1011.2≤ 126 #/100mL703%
July 2026Nitrogen, ammonia total [as N], daily maximum29.6≤ 3.6 mg/L722%
July 2026Nitrogen, ammonia total [as N], monthly average29.6≤ 1.4 mg/L2014%
July 2026Solids, total suspended, monthly average111≤ 10 mg/L1010%
July 2026Solids, total suspended, weekly average111≤ 15 mg/L640%
August 2026BOD, 5-day, 20 deg. C, monthly average22.75≤ 10 mg/L128%
August 2026BOD, 5-day, 20 deg. C, weekly average22.75≤ 15 mg/L52%
August 2026E. coli, daily maximum1011.2≤ 630 #/100mL61%
August 2026E. coli, monthly average1011.2≤ 126 #/100mL703%
August 2026Nitrogen, ammonia total [as N], daily maximum75.9≤ 3.6 mg/L2008%
August 2026Nitrogen, ammonia total [as N], monthly average75.9≤ 1.4 mg/L5321%
August 2026Phosphorus, total [as P], monthly average1.29≤ .5 mg/L158%
August 2026Solids, total suspended, monthly average61.5≤ 10 mg/L515%
August 2026Solids, total suspended, weekly average61.5≤ 15 mg/L310%

Limits in force (15)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedweekly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 3.6 mg/LApr–Sep
Nitrogen, ammonia total [as N]monthly average≤ 2.9 mg/LJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LApr–Sep
Phosphorus, total [as P]monthly average≤ .5 mg/Lall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
E. colidaily maximum≤ 630 #/100mLall year
E. colimonthly average≤ 126 #/100mLall year

How strict are these limits?

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

Same industry: the 3 Miscellaneous Retail permits in Missouri.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0140171 · MCP: https://passage-data.com/mcp