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EPA National Primary Drinking Water Regulations (MCL table)

https://www.epa.gov/ground-water-and-drinking-water/national-primary-drinking-water-regulations

[mandate][threshold][traffic] The legally enforceable Maximum Contaminant Levels - the canonical L2 numeric-threshold target (200 at curation).

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Timeline

  1. observed — HTTP 200 — 122024100c173319d2ba…
  2. observed — HTTP 200 — 1220dde434a083a3ed45…
  3. observed — HTTP 200 — 1220666f281bc34668ee…
  4. observed — HTTP 200 — 1220ed9fbac96d36fb19…
  5. observed — HTTP 200 — 1220ddd56b376fad802b…
  6. observed — HTTP 200 — 12205dab6be9543ad02a…
  7. observed — HTTP 200 — 1220044913bf0cd51486…
  8. observed — HTTP 200 — 122051ec053035c26f27…
  9. observed — HTTP 200 — 12205f5a78ddbe46ab99…
  10. High NumericThresholdChange 
    {
 "context": "level is 1.3 mg/L , and for lead is",
 "from": "0.010 mg/L",
 "to": "0.015 mg/L",
 "unit": "mg/L"
}
  11. observed — HTTP 200 — 1220794261bb68ad8f92…
  12. observed — HTTP 200 — 1220e35b776e7edbc09e…
  13. observed — HTTP 200 — 122075c20d6afe0ff8c2…
  14. observed — HTTP 200 — 1220801f35663ab7bbcb…
  15. observed — HTTP 200 — 12203454ac1c69eefafb…
  16. observed — HTTP 200 — 1220f59c61841f576695…
  17. observed — HTTP 200 — 12203454ac1c69eefafb…
  18. observed — HTTP 200 — 122026edf13b1c7f669f…
  19. observed — HTTP 200 — 12208755a0aebbee7b39…
  20. observed — HTTP 200 — 122026edf13b1c7f669f…