Spring Valley city of

NPDES permit MN0051934 · Minor POTW · effective, expires 2028-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

7values over a limit
0required values missing, on 0 form(s)
0of 23 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (5), Oxygen, dissolved [DO] (1), Solids, suspended percent removal (1).

Reporting

Reports are due about 21 days after each monitoring period ends (the most common figure among MN permits in EPA's filings — check your permit).

Limits in force (48)

OutfallParameterStatisticLimitMonths
D011Oxygen, dissolved [DO]MO MIN >= 7 mg/L all year
D011pHMO MIN >= 6 SU all year
D011pHMO MAX <= 9 SU all year
D011Solids, total suspendedMO AVG <= 30 mg/L all year
D011Solids, total suspendedMO MAX report only Jul
D011Solids, total suspendedMX WK AV <= 45 mg/L all year
D011Solids, total suspendedMO AVG <= 106.1 kg/d all year
D011Solids, total suspendedMX WK AV <= 159.2 kg/d all year
D011Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D011Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L Apr, May, Oct, Nov
D011Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jun, Jul, Aug, Sep
D011Nitrogen, ammonia total [as N]MO AVG <= 8 mg/L Jan, Feb, Mar, Dec
D011Nitrogen, ammonia total [as N]MO AVG <= 14 kg/d Apr, May, Oct, Nov
D011Nitrogen, ammonia total [as N]MO AVG <= 4 kg/d Jun, Jul, Aug, Sep
D011Nitrogen, ammonia total [as N]MO AVG <= 28 kg/d Jan, Feb, Mar, Dec
D011Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D011Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
D011Phosphorus, total [as P]MO AVG report only all year
D011Phosphorus, total [as P]MO AVG report only all year
D011Chloride [as Cl]MO MAX report only all year
D011Sulfate, total [as SO4]MO MAX report only Mar, Sep
D011Coliform, fecal MPN + membrane ftl 44.5 CMO GEOMN <= 200 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
D011Flow, in conduit or thru treatment plantMO AVG report only all year
D011Flow, in conduit or thru treatment plantMO MAX report only all year
D011Flow, in conduit or thru treatment plantMO TOTAL report only all year
D011Solids, total dissolvedMO AVG report only Mar, Sep
D011Mercury, dissolved [as Hg]MO MAX report only Jul
D011Mercury, total [as Hg]MO MAX report only Jul
D011BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
D011BOD, carbonaceous [5 day, 20 C]MX WK AV <= 25 mg/L all year
D011BOD, carbonaceous [5 day, 20 C]MO AVG <= 53.1 kg/d all year
D011BOD, carbonaceous [5 day, 20 C]MX WK AV <= 88.5 kg/d all year
D011BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
D011Solids, suspended percent removalMO AV MN >= 85 % all year
S012Precipitation, total defined period/inMO TOTAL report only all year
S012pHMO MIN report only all year
S012pHMO MAX report only all year
S012Solids, total suspendedMO AVG report only all year
S012Solids, total suspendedMO MAX report only all year
S012Nitrogen, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S012Nitrogen, Kjeldahl, total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S012Nitrite + Nitrate total [as N]QRTR AVG report only Mar, Jun, Sep, Dec
S012Phosphorus, total [as P]MO AVG report only all year
S012Flow, in conduit or thru treatment plantMO AVG report only all year
S012Flow, in conduit or thru treatment plantMO MAX report only all year
S012Flow, in conduit or thru treatment plantMO TOTAL report only all year
S012BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
S012BOD, carbonaceous [5 day, 20 C]MO MAX report only all year

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