LAVA HOT SPRINGS, CITY OF

NPDES permit ID0021822 · Minor POTW · effective, expires 2028-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

0values over a limit
0required values missing, on 0 form(s)
4of 12 forms filed late

Last period with anything received: 2026-03-31.

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (42)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jan, Feb, Mar, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 86 lb/d Jan, Feb, Mar, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 128 lb/d Jan, Feb, Mar, Oct, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001pHINST MIN >= 6.5 SU Jan, Feb, Mar, Oct, Nov, Dec
001pHINST MAX <= 9 SU Jan, Feb, Mar, Oct, Nov, Dec
001Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Oct, Nov, Dec
001Solids, total suspendedWKLY AVG <= 45 mg/L Jan, Feb, Mar, Oct, Nov, Dec
001Solids, total suspendedMO AVG <= 86 lb/d Jan, Feb, Mar, Oct, Nov, Dec
001Solids, total suspendedANNL AVG <= 80 lb/d Mar
001Solids, total suspendedWKLY AVG <= 128 lb/d Jan, Feb, Mar, Oct, Nov, Dec
001Solids, total suspendedMO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001Nitrogen, total [as N]MO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001Nitrogen, total [as N]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
001Nitrite + Nitrate total [as N]MO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001Nitrite + Nitrate total [as N]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
001Phosphorus, total [as P]ANNL AVG <= 1.2 lb/d Mar
001Nitrogen, total KjeldahlMO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001Nitrogen, total KjeldahlDAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
001E. coliGEO MEAN <= 126 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
001E. coliINST MAX <= 410 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
001EnterococciGEO MEAN <= 35 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
001EnterococciINST MAX <= 130 #/100mL Jan, Feb, Mar, Oct, Nov, Dec
001Mercury, total [as Hg]DAILY MX report only Mar, Dec
001BOD, 5-day, percent removalMO AV MN >= 85 % Jan, Feb, Mar, Oct, Nov, Dec
001Solids, suspended percent removalMO AV MN >= 85 % Jan, Feb, Mar, Oct, Nov, Dec
RECTemperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
RECpHINST MIN report only Jan, Feb, Mar, Oct, Nov, Dec
RECpHINST MAX report only Jan, Feb, Mar, Oct, Nov, Dec
RECNitrogen, total [as N]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
RECNitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
RECNitrogen, Kjeldahl, total [as N]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
RECNitrite + Nitrate total [as N]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
RECPhosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec

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