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Michigan Milk Producers Association

Creamery Butter, Constantine, Michigan. NPDES permit MI0001414, in force until Oct 1, 2029. Last 12 months: over a limit 59 times (last August 2026), 12 required values missing, 5 of 33 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 21 days after each period: outfall 004 form A monthly (11 values), outfall 005 form A monthly (37 values), outfall 005 form B monthly (16 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 15 of 26 reports late

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

All 59 values over a limit
Period endingOutfallParameterReportedLimitOver by
October 2025005BOD, 5-day, 20 deg. C, daily maximum59≤ 42 mg/L40%
October 2025005Oxygen, dissolved [DO], daily minimum.4≥ 3 mg/L87%
October 2025005Solids, total suspended, daily maximum126≤ 52 mg/L142%
October 2025005Solids, total suspended, monthly average43.2≤ 26 mg/L66%
October 2025005pH, daily minimum6.3≥ 6.5 SU—
November 2025005Solids, total suspended, daily maximum211≤ 52 mg/L306%
November 2025005Solids, total suspended, daily maximum479.9≤ 350 lb/d37%
November 2025005Solids, total suspended, monthly average29.2≤ 26 mg/L12%
November 2025005pH, daily minimum6.3≥ 6.5 SU—
December 2025005BOD, 5-day, 20 deg. C, daily maximum71≤ 42 mg/L69%
December 2025005Solids, total suspended, daily maximum117≤ 52 mg/L125%
December 2025005Solids, total suspended, monthly average31.6≤ 26 mg/L22%
January 2026005BOD, 5-day, 20 deg. C, daily maximum47≤ 42 mg/L12%
January 2026005Chloride [as Cl], daily maximum663≤ 640 mg/L4%
January 2026005Phosphorus, total [as P], monthly average1.05≤ 1 mg/L5%
January 2026005Solids, total suspended, daily maximum73≤ 52 mg/L40%
January 2026005Solids, total suspended, monthly average34≤ 26 mg/L31%
February 2026005Solids, total suspended, daily maximum64≤ 52 mg/L23%
February 2026005Solids, total suspended, monthly average26.9≤ 26 mg/L3%
March 2026004pH, daily minimum6.3≥ 6.5 SU—
March 2026005BOD, 5-day, 20 deg. C, daily maximum189≤ 42 mg/L350%
March 2026005BOD, 5-day, 20 deg. C, daily maximum515.8≤ 280 lb/d84%
March 2026005BOD, 5-day, 20 deg. C, monthly average24.6≤ 21 mg/L17%
March 2026005Solids, total suspended, daily maximum56≤ 52 mg/L8%
April 2026005BOD, 5-day, 20 deg. C, daily maximum61≤ 42 mg/L45%
April 2026005Phosphorus, total [as P], monthly average1.19≤ 1 mg/L19%
April 2026005Solids, total suspended, daily maximum148≤ 52 mg/L185%
April 2026005Solids, total suspended, daily maximum435.8≤ 350 lb/d25%
April 2026005Solids, total suspended, monthly average39.3≤ 26 mg/L51%
April 2026005pH, daily maximum9.4≤ 9 SU—
May 2026005Phosphorus, total [as P], monthly average1.77≤ 1 mg/L77%
May 2026005Solids, total suspended, daily maximum253≤ 52 mg/L387%
May 2026005Solids, total suspended, daily maximum895≤ 350 lb/d156%
May 2026005Solids, total suspended, monthly average259.1≤ 170 lb/d52%
May 2026005Solids, total suspended, monthly average80.7≤ 26 mg/L210%
June 2026005Solids, total suspended, daily maximum116≤ 52 mg/L123%
June 2026005Solids, total suspended, daily maximum354.4≤ 350 lb/d1%
June 2026005Solids, total suspended, monthly average47.8≤ 26 mg/L84%
June 2026005pH, daily minimum5.3≥ 6 SU—
July 2026005BOD, 5-day, 20 deg. C, daily maximum104≤ 42 mg/L148%
July 2026005BOD, 5-day, 20 deg. C, daily maximum357.1≤ 280 lb/d28%
July 2026005BOD, 5-day, 20 deg. C, monthly average31≤ 21 mg/L48%
July 2026005Oxygen, dissolved [DO], daily minimum2≥ 3 mg/L33%
July 2026005Phosphorus, total [as P], monthly average1.38≤ 1 mg/L38%
July 2026005Phosphorus, total [as P], monthly average6.85≤ 6.7 lb/d2%
July 2026005Solids, total suspended, daily maximum1523≤ 350 lb/d335%
July 2026005Solids, total suspended, daily maximum517≤ 52 mg/L894%
July 2026005Solids, total suspended, monthly average127.5≤ 26 mg/L390%
July 2026005Solids, total suspended, monthly average395≤ 170 lb/d132%
August 2026005BOD, 5-day, 20 deg. C, daily maximum327.4≤ 280 lb/d17%
August 2026005BOD, 5-day, 20 deg. C, daily maximum99≤ 42 mg/L136%
August 2026005BOD, 5-day, 20 deg. C, monthly average32.62≤ 21 mg/L55%
August 2026005Phosphorus, total [as P], monthly average23.74≤ 6.7 lb/d254%
August 2026005Phosphorus, total [as P], monthly average4.38≤ 1 mg/L338%
August 2026005Solids, total suspended, daily maximum2286.1≤ 350 lb/d553%
August 2026005Solids, total suspended, daily maximum668≤ 52 mg/L1185%
August 2026005Solids, total suspended, monthly average235.1≤ 26 mg/L804%
August 2026005Solids, total suspended, monthly average790.3≤ 170 lb/d365%
August 2026005Toxicity, choice of species, monthly average40≤ 12 tox chronic233%

Limits in force (64)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year004
Oxygen, dissolved [DO]daily minimum≥ 3 mg/Lall year004
pHdaily minimum≥ 6.5 SUall year004
pHdaily maximum≤ 9 SUall year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Chloride [as Cl]daily maximumreport only (ug/L)all year004
Sulfate, total [as SO4]daily maximumreport only (ug/L)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year004
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year004
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year005
Oxygen, dissolved [DO]daily minimum≥ 3 mg/Lall year005
BOD, 5-day, 20 deg. Cmonthly average≤ 21 mg/Lall year005
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year005
BOD, 5-day, 20 deg. Cdaily maximum≤ 42 mg/Lall year005
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year005
BOD, 5-day, 20 deg. Cmonthly average≤ 140 lb/dall year005
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year005
BOD, 5-day, 20 deg. Cdaily maximum≤ 280 lb/dall year005
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year005
pHdaily minimum≥ 6 SUall year005
pHdaily minimum≥ 6.5 SUall year005
pHdaily maximum≤ 9 SUall year005
pHdaily maximum≤ 9 SUall year005
Solids, total suspendedmonthly averagereport only (mg/L)all year005
Solids, total suspendedmonthly average≤ 26 mg/Lall year005
Solids, total suspendeddaily maximumreport only (mg/L)all year005
Solids, total suspendeddaily maximum≤ 52 mg/Lall year005
Solids, total suspendedmonthly averagereport only (lb/d)all year005
Solids, total suspendedmonthly average≤ 170 lb/dall year005
Solids, total suspendeddaily maximumreport only (lb/d)all year005
Solids, total suspendeddaily maximum≤ 350 lb/dall year005
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year005
Nitrogen, ammonia total [as N]monthly average≤ 20 mg/Lall year005
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year005
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year005
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year005
Nitrogen, ammonia total [as N]monthly average≤ 130 lb/dall year005
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year005
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year005
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year005
Phosphorus, total [as P]daily maximumreport only (mg/L)all year005
Phosphorus, total [as P]monthly average≤ 6.7 lb/dall year005
Phosphorus, total [as P]daily maximumreport only (lb/d)all year005
Chloride [as Cl]daily maximum≤ 640 mg/Lall year005
Chloride [as Cl]daily maximum≤ 4300 lb/dall year005
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year005
Toxicity, choice of speciesmonthly average≤ 12 tox chronicall year005
Toxicity, choice of speciesvaluereport only (tox chronic)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Chlorine, total residualdaily maximum≤ 38 ug/Lall year005
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acuteall year005
Mercury, total [as Hg]monthly averagereport only (ng/L)all year005
Mercury, total [as Hg]daily maximumreport only (ng/L)all year005
Mercury, total [as Hg]monthly averagereport only (lb/d)all year005
Mercury, total [as Hg]daily maximumreport only (lb/d)all year005
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year005
TU Static 24 Hr Acute Pimephales promelasdaily maximum≤ 1 tox acuteall year005
Static 48 Hr Chronic Pimphales Promelasmonthly average≤ 12 tox chronicall year005
Static 48 Hr Chronic Pimphales Promelasvaluereport only (tox chronic)all year005

New limits from Mar 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Phosphorus, total [as P], monthly average3.3 lb/dtighter3.01 lb/d (10 values)0.912×

How strict are these limits?

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

Same industry: the 26 Food and Kindred Products permits in Michigan.

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Your permit document is the final word. As JSON: /api/v1/permits/MI0001414 · MCP: https://passage-data.com/mcp