City of Holts Summit

NPDES permit MO0106810 · Minor POTW · effective, expires 2030-10-31 · EPA's file as of 2026-09-26

Keep this permit as a site — opens New site at EPA's facility point (38.6421345, -92.107335); you set the radius.

These are the last limits EPA's file holds for this permit, from an earlier version of it (version 4 in EPA's file): its current version carries none yet. Read your permit: a renewal can change them.

EPA's record, 2025-09-01 to 2026-08-31

Last period with anything received: 2025-10-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

• Outfall 001, form M (Monthly): every 1 month(s), 12 values
• Outfall INF, form IM (Influent Monitoring Monthly): every 1 month(s), 2 values
• Outfall 001, form Q (Quarterly): files for periods ending in Mar, Jun, Sep, Dec
• Outfall INF, form IQ (Influent Monitoring Quarterly): files for periods ending in Mar, Jun, Sep, Dec

How strict are these limits?

Each concentration limit against the same limit in comparable permits. Where it appears more than once, its strictest value.

• Nitrogen, ammonia total [as N], monthly average .9 mg/L — stricter than 89% of 536 other minor POTWs in Missouri; 6% have the same limit
• Nitrogen, ammonia total [as N], daily maximum 8.4 mg/L — stricter than 54% of 544 other minor POTWs in Missouri; 8% have the same limit
• BOD, 5-day, percent removal, monthly average minimum at least 85 % — stricter than 40% of 596 other minor POTWs in Missouri; 59% have the same limit
• Solids, suspended percent removal, monthly average minimum at least 85 % — stricter than 40% of 601 other minor POTWs in Missouri; 60% have the same limit
• Solids, total suspended, weekly average 45 mg/L — stricter than 39% of 631 other minor POTWs in Missouri; 38% have the same limit
• BOD, 5-day, 20 deg. C, weekly average 45 mg/L — stricter than 38% of 623 other minor POTWs in Missouri; 38% have the same limit
• Solids, total suspended, monthly average 30 mg/L — stricter than 38% of 639 other minor POTWs in Missouri; 38% have the same limit
• BOD, 5-day, 20 deg. C, monthly average 30 mg/L — stricter than 37% of 632 other minor POTWs in Missouri; 38% have the same limit
• pH, minimum at least 6.5 SU — stricter than 12% of 634 other minor POTWs in Missouri; 88% have the same limit
• pH, maximum 9 SU — stricter than 0% of 613 other minor POTWs in Missouri; 100% have the same limit
• Oil and grease [soxhlet extr.] tot., daily maximum 15 mg/L — stricter than 0% of 394 other minor POTWs in Missouri; 100% have the same limit
• Oil and grease [soxhlet extr.] tot., monthly average 10 mg/L — stricter than 0% of 393 other minor POTWs in Missouri; 100% have the same limit

Limits in force (46)

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states